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                    Introduction
            
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                    Go入门指南
            
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                    前言
            
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                    第一部分：学习 Go 语言
            
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                    第1章：Go 语言的起源，发展与普及
            
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                    起源与发展
            
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                    语言的主要特性与发展的环境和影响因素
            
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                    第2章：安装与运行环境
            
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                    平台与架构
            
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                    Go 环境变量
            
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                    在 Linux 上安装 Go
            
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                    在 Mac OS X 上安装 Go
            
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                    在 Windows 上安装 Go
            
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                    安装目录清单
            
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                    Go 运行时（runtime）
            
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                    Go 解释器
            
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                    编辑器、集成开发环境与其它工具
            
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                    Go 开发环境的基本要求
            
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                    编辑器和集成开发环境
            
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                    调试器
            
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                    构建并运行 Go 程序
            
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                    格式化代码
            
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                    生成代码文档
            
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                    其它工具
            
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                    Go 性能说明
            
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                    与其它语言进行交互
            
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                    第二部分：语言的核心结构与技术
            
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                    第4章：基本结构和基本数据类型
            
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                    文件名、关键字与标识符
            
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                    Go 程序的基本结构和要素
            
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                    常量
            
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                    变量
            
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                    基本类型和运算符
            
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                    字符串
            
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                    strings 和 strconv 包
            
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                    时间和日期
            
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                    指针
            
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                    控制结构
            
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                    if-else 结构
            
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                    测试多返回值函数的错误
            
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                    switch 结构
            
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                    for 结构
            
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                    Break 与 continue
            
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                    标签与 goto
            
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<li class="chapter " data-level="1.2.3.3" data-path="../the-way-to-go/eBook/06.0.html">
  
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                    函数（function）
            
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<li class="chapter " data-level="1.2.3.3.1" data-path="../the-way-to-go/eBook/06.1.html">
  
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                    介绍
            
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                    函数参数与返回值
            
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<li class="chapter " data-level="1.2.3.3.3" data-path="../the-way-to-go/eBook/06.3.html">
  
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                    传递变长参数
            
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<li class="chapter " data-level="1.2.3.3.4" data-path="../the-way-to-go/eBook/06.4.html">
  
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                    defer 和追踪
            
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                    内置函数
            
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                    递归函数
            
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<li class="chapter " data-level="1.2.3.3.7" data-path="../the-way-to-go/eBook/06.7.html">
  
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                    将函数作为参数
            
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<li class="chapter " data-level="1.2.3.3.8" data-path="../the-way-to-go/eBook/06.8.html">
  
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                    闭包
            
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                    应用闭包：将函数作为返回值
            
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<li class="chapter " data-level="1.2.3.3.10" data-path="../the-way-to-go/eBook/06.10.html">
  
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                    使用闭包调试
            
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                    计算函数执行时间
            
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                    通过内存缓存来提升性能
            
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                    数组与切片
            
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                    声明和初始化
            
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                    切片
            
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<li class="chapter " data-level="1.2.3.4.3" data-path="../the-way-to-go/eBook/07.3.html">
  
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                    For-range 结构
            
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<li class="chapter " data-level="1.2.3.4.4" data-path="../the-way-to-go/eBook/07.4.html">
  
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                    切片重组（reslice）
            
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                    切片的复制与追加
            
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<li class="chapter " data-level="1.2.3.4.6" data-path="../the-way-to-go/eBook/07.6.html">
  
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                    字符串、数组和切片的应用
            
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<li class="chapter " data-level="1.2.3.5" data-path="../the-way-to-go/eBook/08.0.html">
  
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                    Map
            
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<li class="chapter " data-level="1.2.3.5.1" data-path="../the-way-to-go/eBook/08.1.html">
  
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                    声明、初始化和 make
            
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                    测试键值对是否存在及删除元素
            
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<li class="chapter " data-level="1.2.3.5.3" data-path="../the-way-to-go/eBook/08.3.html">
  
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                    for-range 的配套用法
            
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<li class="chapter " data-level="1.2.3.5.4" data-path="../the-way-to-go/eBook/08.4.html">
  
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                    map 类型的切片
            
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<li class="chapter " data-level="1.2.3.5.5" data-path="../the-way-to-go/eBook/08.5.html">
  
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                    map 的排序
            
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<li class="chapter " data-level="1.2.3.5.6" data-path="../the-way-to-go/eBook/08.6.html">
  
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                    将 map 的键值对调
            
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<li class="chapter " data-level="1.2.3.6" data-path="../the-way-to-go/eBook/09.0.html">
  
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                    包（package）
            
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                    标准库概述
            
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                    regexp 包
            
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</li>

<li class="chapter " data-level="1.2.3.6.3" data-path="../the-way-to-go/eBook/09.3.html">
  
  <a href="../the-way-to-go/eBook/09.3.html">
    
                    
                    锁和 sync 包
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.4" data-path="../the-way-to-go/eBook/09.4.html">
  
  <a href="../the-way-to-go/eBook/09.4.html">
    
                    
                    精密计算和 big 包
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.5" data-path="../the-way-to-go/eBook/09.5.html">
  
  <a href="../the-way-to-go/eBook/09.5.html">
    
                    
                    自定义包和可见性
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.6" data-path="../the-way-to-go/eBook/09.6.html">
  
  <a href="../the-way-to-go/eBook/09.6.html">
    
                    
                    为自定义包使用 godoc
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.7" data-path="../the-way-to-go/eBook/09.7.html">
  
  <a href="../the-way-to-go/eBook/09.7.html">
    
                    
                    使用 go install 安装自定义包
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.8" data-path="../the-way-to-go/eBook/09.8.html">
  
  <a href="../the-way-to-go/eBook/09.8.html">
    
                    
                    自定义包的目录结构、go install 和 go test
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.9" data-path="../the-way-to-go/eBook/09.9.html">
  
  <a href="../the-way-to-go/eBook/09.9.html">
    
                    
                    通过 Git 打包和安装
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.10" data-path="../the-way-to-go/eBook/09.10.html">
  
  <a href="../the-way-to-go/eBook/09.10.html">
    
                    
                    Go 的外部包和项目
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.6.11" data-path="../the-way-to-go/eBook/09.11.html">
  
  <a href="../the-way-to-go/eBook/09.11.html">
    
                    
                    在 Go 程序中使用外部库
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.3.7" data-path="../the-way-to-go/eBook/10.0.html">
  
  <a href="../the-way-to-go/eBook/10.0.html">
    
                    
                    结构（struct）与方法（method）
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.3.7.1" data-path="../the-way-to-go/eBook/10.1.html">
  
  <a href="../the-way-to-go/eBook/10.1.html">
    
                    
                    结构体定义
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.2" data-path="../the-way-to-go/eBook/10.2.html">
  
  <a href="../the-way-to-go/eBook/10.2.html">
    
                    
                    使用工厂方法创建结构体实例
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.3" data-path="../the-way-to-go/eBook/10.3.html">
  
  <a href="../the-way-to-go/eBook/10.3.html">
    
                    
                    使用自定义包中的结构体
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.4" data-path="../the-way-to-go/eBook/10.4.html">
  
  <a href="../the-way-to-go/eBook/10.4.html">
    
                    
                    带标签的结构体
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.5" data-path="../the-way-to-go/eBook/10.5.html">
  
  <a href="../the-way-to-go/eBook/10.5.html">
    
                    
                    匿名字段和内嵌结构体
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.6" data-path="../the-way-to-go/eBook/10.6.html">
  
  <a href="../the-way-to-go/eBook/10.6.html">
    
                    
                    方法
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.7" data-path="../the-way-to-go/eBook/10.7.html">
  
  <a href="../the-way-to-go/eBook/10.7.html">
    
                    
                    类型的 String() 方法和格式化描述符
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.7.8" data-path="../the-way-to-go/eBook/10.8.html">
  
  <a href="../the-way-to-go/eBook/10.8.html">
    
                    
                    垃圾回收和 SetFinalizer
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.3.8" data-path="../the-way-to-go/eBook/11.0.html">
  
  <a href="../the-way-to-go/eBook/11.0.html">
    
                    
                    接口（interface）与反射（reflection）
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.3.8.1" data-path="../the-way-to-go/eBook/11.1.html">
  
  <a href="../the-way-to-go/eBook/11.1.html">
    
                    
                    接口是什么
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.2" data-path="../the-way-to-go/eBook/11.2.html">
  
  <a href="../the-way-to-go/eBook/11.2.html">
    
                    
                    接口嵌套接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.3" data-path="../the-way-to-go/eBook/11.3.html">
  
  <a href="../the-way-to-go/eBook/11.3.html">
    
                    
                    类型断言：如何检测和转换接口变量的类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.4" data-path="../the-way-to-go/eBook/11.4.html">
  
  <a href="../the-way-to-go/eBook/11.4.html">
    
                    
                    类型判断：type-switch
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.5" data-path="../the-way-to-go/eBook/11.5.html">
  
  <a href="../the-way-to-go/eBook/11.5.html">
    
                    
                    测试一个值是否实现了某个接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.6" data-path="../the-way-to-go/eBook/11.6.html">
  
  <a href="../the-way-to-go/eBook/11.6.html">
    
                    
                    使用方法集与接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.7" data-path="../the-way-to-go/eBook/11.7.html">
  
  <a href="../the-way-to-go/eBook/11.7.html">
    
                    
                    第一个例子：使用 Sorter 接口排序
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.8" data-path="../the-way-to-go/eBook/11.8.html">
  
  <a href="../the-way-to-go/eBook/11.8.html">
    
                    
                    第二个例子：读和写
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.9" data-path="../the-way-to-go/eBook/11.9.html">
  
  <a href="../the-way-to-go/eBook/11.9.html">
    
                    
                    空接口
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.3.8.9.1" data-path="../the-way-to-go/eBook/11.10.html">
  
  <a href="../the-way-to-go/eBook/11.10.html">
    
                    
                    反射包
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.9.2" data-path="../the-way-to-go/eBook/11.11.html">
  
  <a href="../the-way-to-go/eBook/11.11.html">
    
                    
                    Printf 和反射
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.9.3" data-path="../the-way-to-go/eBook/11.12.html">
  
  <a href="../the-way-to-go/eBook/11.12.html">
    
                    
                    接口与动态类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.9.4" data-path="../the-way-to-go/eBook/11.13.html">
  
  <a href="../the-way-to-go/eBook/11.13.html">
    
                    
                    总结：Go 中的面向对象
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.3.8.9.5" data-path="../the-way-to-go/eBook/11.14.html">
  
  <a href="../the-way-to-go/eBook/11.14.html">
    
                    
                    结构体、集合和高阶函数
            
    </a>
    

    
</li>


    </ul>
    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.4" >
  
      <span>
            
                    
                    第三部分：Go 高级编程
            
    </span>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.4.1" data-path="../the-way-to-go/eBook/12.0.html">
  
  <a href="../the-way-to-go/eBook/12.0.html">
    
                    
                    读写数据
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.4.1.1" data-path="../the-way-to-go/eBook/12.1.html">
  
  <a href="../the-way-to-go/eBook/12.1.html">
    
                    
                    读取用户的输入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.2" data-path="../the-way-to-go/eBook/12.2.html">
  
  <a href="../the-way-to-go/eBook/12.2.html">
    
                    
                    文件读写
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.3" data-path="../the-way-to-go/eBook/12.3.html">
  
  <a href="../the-way-to-go/eBook/12.3.html">
    
                    
                    文件拷贝
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.4" data-path="../the-way-to-go/eBook/12.4.html">
  
  <a href="../the-way-to-go/eBook/12.4.html">
    
                    
                    从命令行读取参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.5" data-path="../the-way-to-go/eBook/12.5.html">
  
  <a href="../the-way-to-go/eBook/12.5.html">
    
                    
                    用 buffer 读取文件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.6" data-path="../the-way-to-go/eBook/12.6.html">
  
  <a href="../the-way-to-go/eBook/12.6.html">
    
                    
                    用切片读写文件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.7" data-path="../the-way-to-go/eBook/12.7.html">
  
  <a href="../the-way-to-go/eBook/12.7.html">
    
                    
                    用 defer 关闭文件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.8" data-path="../the-way-to-go/eBook/12.8.html">
  
  <a href="../the-way-to-go/eBook/12.8.html">
    
                    
                    使用接口的实际例子：fmt.Fprintf
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.9" data-path="../the-way-to-go/eBook/12.9.html">
  
  <a href="../the-way-to-go/eBook/12.9.html">
    
                    
                    格式化 JSON 数据
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.10" data-path="../the-way-to-go/eBook/12.10.html">
  
  <a href="../the-way-to-go/eBook/12.10.html">
    
                    
                    XML 数据格式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.11" data-path="../the-way-to-go/eBook/12.11.html">
  
  <a href="../the-way-to-go/eBook/12.11.html">
    
                    
                    用 Gob 传输数据
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.1.12" data-path="../the-way-to-go/eBook/12.12.html">
  
  <a href="../the-way-to-go/eBook/12.12.html">
    
                    
                    Go 中的密码学
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.4.2" data-path="../the-way-to-go/eBook/13.0.html">
  
  <a href="../the-way-to-go/eBook/13.0.html">
    
                    
                    错误处理与测试
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.4.2.1" data-path="../the-way-to-go/eBook/13.1.html">
  
  <a href="../the-way-to-go/eBook/13.1.html">
    
                    
                    错误处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.2" data-path="../the-way-to-go/eBook/13.2.html">
  
  <a href="../the-way-to-go/eBook/13.2.html">
    
                    
                    运行时异常和 panic
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.3" data-path="../the-way-to-go/eBook/13.3.html">
  
  <a href="../the-way-to-go/eBook/13.3.html">
    
                    
                    从 panic 中恢复（Recover）
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.4" data-path="../the-way-to-go/eBook/13.4.html">
  
  <a href="../the-way-to-go/eBook/13.4.html">
    
                    
                    自定义包中的错误处理和 panicking
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.5" data-path="../the-way-to-go/eBook/13.5.html">
  
  <a href="../the-way-to-go/eBook/13.5.html">
    
                    
                    一种用闭包处理错误的模式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.6" data-path="../the-way-to-go/eBook/13.6.html">
  
  <a href="../the-way-to-go/eBook/13.6.html">
    
                    
                    启动外部命令和程序
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.7" data-path="../the-way-to-go/eBook/13.7.html">
  
  <a href="../the-way-to-go/eBook/13.7.html">
    
                    
                    Go 中的单元测试和基准测试
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.8" data-path="../the-way-to-go/eBook/13.8.html">
  
  <a href="../the-way-to-go/eBook/13.8.html">
    
                    
                    测试的具体例子
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.9" data-path="../the-way-to-go/eBook/13.9.html">
  
  <a href="../the-way-to-go/eBook/13.9.html">
    
                    
                    用（测试数据）表驱动测试
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.2.4.2.10" data-path="../the-way-to-go/eBook/13.10.html">
  
  <a href="../the-way-to-go/eBook/13.10.html">
    
                    
                    性能调试：分析并优化 Go 程序
            
    </a>
    

    
</li>


    </ul>
    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3" data-path="../gopl/">
  
  <a href="../gopl/">
    
                    
                    Go语言圣经
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.1" data-path="../gopl/preface.html">
  
  <a href="../gopl/preface.html">
    
                    
                    前言
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.1.1" data-path="../gopl/ch0/ch0-01.html">
  
  <a href="../gopl/ch0/ch0-01.html">
    
                    
                    Go语言起源
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.1.2" data-path="../gopl/ch0/ch0-02.html">
  
  <a href="../gopl/ch0/ch0-02.html">
    
                    
                    Go语言项目
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.1.3" data-path="../gopl/ch0/ch0-03.html">
  
  <a href="../gopl/ch0/ch0-03.html">
    
                    
                    本书的组织
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.1.4" data-path="../gopl/ch0/ch0-04.html">
  
  <a href="../gopl/ch0/ch0-04.html">
    
                    
                    更多的信息
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.1.5" data-path="../gopl/ch0/ch0-05.html">
  
  <a href="../gopl/ch0/ch0-05.html">
    
                    
                    致谢
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.2" data-path="../gopl/ch1/ch1.html">
  
  <a href="../gopl/ch1/ch1.html">
    
                    
                    入门
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.2.1" data-path="../gopl/ch1/ch1-01.html">
  
  <a href="../gopl/ch1/ch1-01.html">
    
                    
                    Hello, World
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.2" data-path="../gopl/ch1/ch1-02.html">
  
  <a href="../gopl/ch1/ch1-02.html">
    
                    
                    命令行参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.3" data-path="../gopl/ch1/ch1-03.html">
  
  <a href="../gopl/ch1/ch1-03.html">
    
                    
                    查找重复的行
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.4" data-path="../gopl/ch1/ch1-04.html">
  
  <a href="../gopl/ch1/ch1-04.html">
    
                    
                    GIF动画
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.5" data-path="../gopl/ch1/ch1-05.html">
  
  <a href="../gopl/ch1/ch1-05.html">
    
                    
                    获取URL
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.6" data-path="../gopl/ch1/ch1-06.html">
  
  <a href="../gopl/ch1/ch1-06.html">
    
                    
                    并发获取多个URL
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.7" data-path="../gopl/ch1/ch1-07.html">
  
  <a href="../gopl/ch1/ch1-07.html">
    
                    
                    Web服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.2.8" data-path="../gopl/ch1/ch1-08.html">
  
  <a href="../gopl/ch1/ch1-08.html">
    
                    
                    本章要点
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.3" data-path="../gopl/ch2/ch2.html">
  
  <a href="../gopl/ch2/ch2.html">
    
                    
                    程序结构
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.3.1" data-path="../gopl/ch2/ch2-01.html">
  
  <a href="../gopl/ch2/ch2-01.html">
    
                    
                    命名
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.2" data-path="../gopl/ch2/ch2-02.html">
  
  <a href="../gopl/ch2/ch2-02.html">
    
                    
                    声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.3" data-path="../gopl/ch2/ch2-03.html">
  
  <a href="../gopl/ch2/ch2-03.html">
    
                    
                    变量
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.4" data-path="../gopl/ch2/ch2-04.html">
  
  <a href="../gopl/ch2/ch2-04.html">
    
                    
                    赋值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.5" data-path="../gopl/ch2/ch2-05.html">
  
  <a href="../gopl/ch2/ch2-05.html">
    
                    
                    类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.6" data-path="../gopl/ch2/ch2-06.html">
  
  <a href="../gopl/ch2/ch2-06.html">
    
                    
                    包和文件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.7" data-path="../gopl/ch2/ch2-07.html">
  
  <a href="../gopl/ch2/ch2-07.html">
    
                    
                    作用域
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.4" data-path="../gopl/ch3/ch3.html">
  
  <a href="../gopl/ch3/ch3.html">
    
                    
                    基础数据类型
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.4.1" data-path="../gopl/ch3/ch3-01.html">
  
  <a href="../gopl/ch3/ch3-01.html">
    
                    
                    整型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.2" data-path="../gopl/ch3/ch3-02.html">
  
  <a href="../gopl/ch3/ch3-02.html">
    
                    
                    浮点数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.3" data-path="../gopl/ch3/ch3-03.html">
  
  <a href="../gopl/ch3/ch3-03.html">
    
                    
                    复数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.4" data-path="../gopl/ch3/ch3-04.html">
  
  <a href="../gopl/ch3/ch3-04.html">
    
                    
                    布尔型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.5" data-path="../gopl/ch3/ch3-05.html">
  
  <a href="../gopl/ch3/ch3-05.html">
    
                    
                    字符串
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.6" data-path="../gopl/ch3/ch3-06.html">
  
  <a href="../gopl/ch3/ch3-06.html">
    
                    
                    常量
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.5" data-path="../gopl/ch4/ch4.html">
  
  <a href="../gopl/ch4/ch4.html">
    
                    
                    复合数据类型
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.5.1" data-path="../gopl/ch4/ch4-01.html">
  
  <a href="../gopl/ch4/ch4-01.html">
    
                    
                    数组
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.2" data-path="../gopl/ch4/ch4-02.html">
  
  <a href="../gopl/ch4/ch4-02.html">
    
                    
                    Slice
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.3" data-path="../gopl/ch4/ch4-03.html">
  
  <a href="../gopl/ch4/ch4-03.html">
    
                    
                    Map
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.4" data-path="../gopl/ch4/ch4-04.html">
  
  <a href="../gopl/ch4/ch4-04.html">
    
                    
                    结构体
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.5" data-path="../gopl/ch4/ch4-05.html">
  
  <a href="../gopl/ch4/ch4-05.html">
    
                    
                    JSON
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.6" data-path="../gopl/ch4/ch4-06.html">
  
  <a href="../gopl/ch4/ch4-06.html">
    
                    
                    文本和HTML模板
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.6" data-path="../gopl/ch5/ch5.html">
  
  <a href="../gopl/ch5/ch5.html">
    
                    
                    函数
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.6.1" data-path="../gopl/ch5/ch5-01.html">
  
  <a href="../gopl/ch5/ch5-01.html">
    
                    
                    函数声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.2" data-path="../gopl/ch5/ch5-02.html">
  
  <a href="../gopl/ch5/ch5-02.html">
    
                    
                    递归
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.3" data-path="../gopl/ch5/ch5-03.html">
  
  <a href="../gopl/ch5/ch5-03.html">
    
                    
                    多返回值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.4" data-path="../gopl/ch5/ch5-04.html">
  
  <a href="../gopl/ch5/ch5-04.html">
    
                    
                    错误
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.5" data-path="../gopl/ch5/ch5-05.html">
  
  <a href="../gopl/ch5/ch5-05.html">
    
                    
                    函数值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.6" data-path="../gopl/ch5/ch5-06.html">
  
  <a href="../gopl/ch5/ch5-06.html">
    
                    
                    匿名函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.7" data-path="../gopl/ch5/ch5-07.html">
  
  <a href="../gopl/ch5/ch5-07.html">
    
                    
                    可变参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.8" data-path="../gopl/ch5/ch5-08.html">
  
  <a href="../gopl/ch5/ch5-08.html">
    
                    
                    Deferred函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.9" data-path="../gopl/ch5/ch5-09.html">
  
  <a href="../gopl/ch5/ch5-09.html">
    
                    
                    Panic异常
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.10" data-path="../gopl/ch5/ch5-10.html">
  
  <a href="../gopl/ch5/ch5-10.html">
    
                    
                    Recover捕获异常
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.7" data-path="../gopl/ch6/ch6.html">
  
  <a href="../gopl/ch6/ch6.html">
    
                    
                    方法
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.7.1" data-path="../gopl/ch6/ch6-01.html">
  
  <a href="../gopl/ch6/ch6-01.html">
    
                    
                    方法声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.2" data-path="../gopl/ch6/ch6-02.html">
  
  <a href="../gopl/ch6/ch6-02.html">
    
                    
                    基于指针对象的方法
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.3" data-path="../gopl/ch6/ch6-03.html">
  
  <a href="../gopl/ch6/ch6-03.html">
    
                    
                    通过嵌入结构体来扩展类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.4" data-path="../gopl/ch6/ch6-04.html">
  
  <a href="../gopl/ch6/ch6-04.html">
    
                    
                    方法值和方法表达式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.5" data-path="../gopl/ch6/ch6-05.html">
  
  <a href="../gopl/ch6/ch6-05.html">
    
                    
                    示例: Bit数组
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.6" data-path="../gopl/ch6/ch6-06.html">
  
  <a href="../gopl/ch6/ch6-06.html">
    
                    
                    封装
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.8" data-path="../gopl/ch7/ch7.html">
  
  <a href="../gopl/ch7/ch7.html">
    
                    
                    接口
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.8.1" data-path="../gopl/ch7/ch7-01.html">
  
  <a href="../gopl/ch7/ch7-01.html">
    
                    
                    接口是合约
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.2" data-path="../gopl/ch7/ch7-02.html">
  
  <a href="../gopl/ch7/ch7-02.html">
    
                    
                    接口类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.3" data-path="../gopl/ch7/ch7-03.html">
  
  <a href="../gopl/ch7/ch7-03.html">
    
                    
                    实现接口的条件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.4" data-path="../gopl/ch7/ch7-04.html">
  
  <a href="../gopl/ch7/ch7-04.html">
    
                    
                    flag.Value接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.5" data-path="../gopl/ch7/ch7-05.html">
  
  <a href="../gopl/ch7/ch7-05.html">
    
                    
                    接口值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.6" data-path="../gopl/ch7/ch7-06.html">
  
  <a href="../gopl/ch7/ch7-06.html">
    
                    
                    sort.Interface接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.7" data-path="../gopl/ch7/ch7-07.html">
  
  <a href="../gopl/ch7/ch7-07.html">
    
                    
                    http.Handler接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.8" data-path="../gopl/ch7/ch7-08.html">
  
  <a href="../gopl/ch7/ch7-08.html">
    
                    
                    error接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.9" data-path="../gopl/ch7/ch7-09.html">
  
  <a href="../gopl/ch7/ch7-09.html">
    
                    
                    示例: 表达式求值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.10" data-path="../gopl/ch7/ch7-10.html">
  
  <a href="../gopl/ch7/ch7-10.html">
    
                    
                    类型断言
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.11" data-path="../gopl/ch7/ch7-11.html">
  
  <a href="../gopl/ch7/ch7-11.html">
    
                    
                    基于类型断言识别错误类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.12" data-path="../gopl/ch7/ch7-12.html">
  
  <a href="../gopl/ch7/ch7-12.html">
    
                    
                    通过类型断言查询接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.13" data-path="../gopl/ch7/ch7-13.html">
  
  <a href="../gopl/ch7/ch7-13.html">
    
                    
                    类型分支
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.14" data-path="../gopl/ch7/ch7-14.html">
  
  <a href="../gopl/ch7/ch7-14.html">
    
                    
                    示例: 基于标记的XML解码
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.15" data-path="../gopl/ch7/ch7-15.html">
  
  <a href="../gopl/ch7/ch7-15.html">
    
                    
                    补充几点
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.9" data-path="../gopl/ch8/ch8.html">
  
  <a href="../gopl/ch8/ch8.html">
    
                    
                    Goroutines和Channels
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.9.1" data-path="../gopl/ch8/ch8-01.html">
  
  <a href="../gopl/ch8/ch8-01.html">
    
                    
                    Goroutines
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.2" data-path="../gopl/ch8/ch8-02.html">
  
  <a href="../gopl/ch8/ch8-02.html">
    
                    
                    示例: 并发的Clock服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.3" data-path="../gopl/ch8/ch8-03.html">
  
  <a href="../gopl/ch8/ch8-03.html">
    
                    
                    示例: 并发的Echo服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.4" data-path="../gopl/ch8/ch8-04.html">
  
  <a href="../gopl/ch8/ch8-04.html">
    
                    
                    Channels
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.5" data-path="../gopl/ch8/ch8-05.html">
  
  <a href="../gopl/ch8/ch8-05.html">
    
                    
                    并发的循环
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.6" data-path="../gopl/ch8/ch8-06.html">
  
  <a href="../gopl/ch8/ch8-06.html">
    
                    
                    示例: 并发的Web爬虫
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.7" data-path="../gopl/ch8/ch8-07.html">
  
  <a href="../gopl/ch8/ch8-07.html">
    
                    
                    基于select的多路复用
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.8" data-path="../gopl/ch8/ch8-08.html">
  
  <a href="../gopl/ch8/ch8-08.html">
    
                    
                    示例: 并发的目录遍历
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.9" data-path="../gopl/ch8/ch8-09.html">
  
  <a href="../gopl/ch8/ch8-09.html">
    
                    
                    并发的退出
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.10" data-path="../gopl/ch8/ch8-10.html">
  
  <a href="../gopl/ch8/ch8-10.html">
    
                    
                    示例: 聊天服务
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.10" data-path="../gopl/ch9/ch9.html">
  
  <a href="../gopl/ch9/ch9.html">
    
                    
                    基于共享变量的并发
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.10.1" data-path="../gopl/ch9/ch9-01.html">
  
  <a href="../gopl/ch9/ch9-01.html">
    
                    
                    竞争条件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.2" data-path="../gopl/ch9/ch9-02.html">
  
  <a href="../gopl/ch9/ch9-02.html">
    
                    
                    sync.Mutex互斥锁
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.3" data-path="../gopl/ch9/ch9-03.html">
  
  <a href="../gopl/ch9/ch9-03.html">
    
                    
                    sync.RWMutex读写锁
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.4" data-path="../gopl/ch9/ch9-04.html">
  
  <a href="../gopl/ch9/ch9-04.html">
    
                    
                    内存同步
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.5" data-path="../gopl/ch9/ch9-05.html">
  
  <a href="../gopl/ch9/ch9-05.html">
    
                    
                    sync.Once惰性初始化
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.6" data-path="../gopl/ch9/ch9-06.html">
  
  <a href="../gopl/ch9/ch9-06.html">
    
                    
                    竞争条件检测
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.7" data-path="../gopl/ch9/ch9-07.html">
  
  <a href="../gopl/ch9/ch9-07.html">
    
                    
                    示例: 并发的非阻塞缓存
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.8" data-path="../gopl/ch9/ch9-08.html">
  
  <a href="../gopl/ch9/ch9-08.html">
    
                    
                    Goroutines和线程
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.11" data-path="../gopl/ch10/ch10.html">
  
  <a href="../gopl/ch10/ch10.html">
    
                    
                    包和工具
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.11.1" data-path="../gopl/ch10/ch10-01.html">
  
  <a href="../gopl/ch10/ch10-01.html">
    
                    
                    包简介
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.2" data-path="../gopl/ch10/ch10-02.html">
  
  <a href="../gopl/ch10/ch10-02.html">
    
                    
                    导入路径
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.3" data-path="../gopl/ch10/ch10-03.html">
  
  <a href="../gopl/ch10/ch10-03.html">
    
                    
                    包声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.4" data-path="../gopl/ch10/ch10-04.html">
  
  <a href="../gopl/ch10/ch10-04.html">
    
                    
                    导入声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.5" data-path="../gopl/ch10/ch10-05.html">
  
  <a href="../gopl/ch10/ch10-05.html">
    
                    
                    包的匿名导入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.6" data-path="../gopl/ch10/ch10-06.html">
  
  <a href="../gopl/ch10/ch10-06.html">
    
                    
                    包和命名
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.7" data-path="../gopl/ch10/ch10-07.html">
  
  <a href="../gopl/ch10/ch10-07.html">
    
                    
                    工具
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.12" data-path="../gopl/ch11/ch11.html">
  
  <a href="../gopl/ch11/ch11.html">
    
                    
                    测试
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.12.1" data-path="../gopl/ch11/ch11-01.html">
  
  <a href="../gopl/ch11/ch11-01.html">
    
                    
                    go test
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.2" data-path="../gopl/ch11/ch11-02.html">
  
  <a href="../gopl/ch11/ch11-02.html">
    
                    
                    测试函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.3" data-path="../gopl/ch11/ch11-03.html">
  
  <a href="../gopl/ch11/ch11-03.html">
    
                    
                    测试覆盖率
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.4" data-path="../gopl/ch11/ch11-04.html">
  
  <a href="../gopl/ch11/ch11-04.html">
    
                    
                    基准测试
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.5" data-path="../gopl/ch11/ch11-05.html">
  
  <a href="../gopl/ch11/ch11-05.html">
    
                    
                    剖析
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.6" data-path="../gopl/ch11/ch11-06.html">
  
  <a href="../gopl/ch11/ch11-06.html">
    
                    
                    示例函数
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.13" data-path="../gopl/ch12/ch12.html">
  
  <a href="../gopl/ch12/ch12.html">
    
                    
                    反射
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.13.1" data-path="../gopl/ch12/ch12-01.html">
  
  <a href="../gopl/ch12/ch12-01.html">
    
                    
                    为何需要反射?
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.2" data-path="../gopl/ch12/ch12-02.html">
  
  <a href="../gopl/ch12/ch12-02.html">
    
                    
                    reflect.Type和reflect.Value
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.3" data-path="../gopl/ch12/ch12-03.html">
  
  <a href="../gopl/ch12/ch12-03.html">
    
                    
                    Display递归打印
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.4" data-path="../gopl/ch12/ch12-04.html">
  
  <a href="../gopl/ch12/ch12-04.html">
    
                    
                    示例: 编码S表达式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.5" data-path="../gopl/ch12/ch12-05.html">
  
  <a href="../gopl/ch12/ch12-05.html">
    
                    
                    通过reflect.Value修改值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.6" data-path="../gopl/ch12/ch12-06.html">
  
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                    示例: 解码S表达式
            
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</li>

<li class="chapter " data-level="1.3.13.7" data-path="../gopl/ch12/ch12-07.html">
  
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                    获取结构体字段标签
            
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</li>

<li class="chapter " data-level="1.3.13.8" data-path="../gopl/ch12/ch12-08.html">
  
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                    显示一个类型的方法集
            
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</li>

<li class="chapter " data-level="1.3.13.9" data-path="../gopl/ch12/ch12-09.html">
  
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                    几点忠告
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.14" data-path="../gopl/ch13/ch13.html">
  
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                    底层编程
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.3.14.1" data-path="../gopl/ch13/ch13-01.html">
  
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                    unsafe.Sizeof, Alignof 和 Offsetof
            
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</li>

<li class="chapter " data-level="1.3.14.2" data-path="../gopl/ch13/ch13-02.html">
  
  <a href="../gopl/ch13/ch13-02.html">
    
                    
                    unsafe.Pointer
            
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</li>

<li class="chapter " data-level="1.3.14.3" data-path="../gopl/ch13/ch13-03.html">
  
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                    示例: 深度相等判断
            
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</li>

<li class="chapter " data-level="1.3.14.4" data-path="../gopl/ch13/ch13-04.html">
  
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                    通过cgo调用C代码
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.14.5" data-path="../gopl/ch13/ch13-05.html">
  
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                    几点忠告
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.15" data-path="../gopl/appendix/appendix.html">
  
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                    附录
            
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<li class="chapter " data-level="1.3.15.1" data-path="../gopl/appendix/appendix-a-errata.html">
  
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                    附录A：原文勘误
            
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<li class="chapter " data-level="1.3.15.2" data-path="../gopl/appendix/appendix-b-author.html">
  
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                    附录B：作者译者
            
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<li class="chapter " data-level="1.3.15.3" data-path="../gopl/appendix/appendix-c-cpoyright.html">
  
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                    附录C：译文授权
            
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<li class="chapter " data-level="1.3.15.4" data-path="../gopl/appendix/appendix-d-translations.html">
  
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                    附录D：其它语言
            
    </a>
    

    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4" data-path="./">
  
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                    Go Web 编程
            
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<li class="chapter " data-level="1.4.1" data-path="01.0.html">
  
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                    Go环境配置
            
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<li class="chapter " data-level="1.4.1.1" data-path="01.1.html">
  
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                    Go安装
            
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<li class="chapter " data-level="1.4.1.2" data-path="01.2.html">
  
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                    GOPATH 与工作空间
            
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<li class="chapter " data-level="1.4.1.3" data-path="01.3.html">
  
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                    Go 命令
            
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<li class="chapter " data-level="1.4.1.4" data-path="01.4.html">
  
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                    Go开发工具
            
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<li class="chapter " data-level="1.4.1.5" data-path="01.5.html">
  
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                    小结
            
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</li>

<li class="chapter " data-level="1.4.2" data-path="02.0.html">
  
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                    Go语言基础
            
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<li class="chapter " data-level="1.4.2.1" data-path="02.1.html">
  
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                    你好，Go
            
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<li class="chapter active" data-level="1.4.2.2" data-path="02.2.html">
  
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                    Go基础
            
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<li class="chapter " data-level="1.4.2.3" data-path="02.3.html">
  
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                    流程和函数
            
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<li class="chapter " data-level="1.4.2.4" data-path="02.4.html">
  
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                    struct
            
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</li>

<li class="chapter " data-level="1.4.2.5" data-path="02.5.html">
  
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                    面向对象
            
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</li>

<li class="chapter " data-level="1.4.2.6" data-path="02.6.html">
  
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                    interface
            
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</li>

<li class="chapter " data-level="1.4.2.7" data-path="02.7.html">
  
  <a href="02.7.html">
    
                    
                    并发
            
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</li>

<li class="chapter " data-level="1.4.2.8" data-path="02.8.html">
  
  <a href="02.8.html">
    
                    
                    小结
            
    </a>
    

    
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    </ul>
    
</li>

<li class="chapter " data-level="1.4.3" data-path="03.0.html">
  
  <a href="03.0.html">
    
                    
                    Web基础
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.3.1" data-path="03.1.html">
  
  <a href="03.1.html">
    
                    
                    web工作方式
            
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</li>

<li class="chapter " data-level="1.4.3.2" data-path="03.2.html">
  
  <a href="03.2.html">
    
                    
                    Go搭建一个简单的web服务
            
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</li>

<li class="chapter " data-level="1.4.3.3" data-path="03.3.html">
  
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                    Go如何使得web工作
            
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</li>

<li class="chapter " data-level="1.4.3.4" data-path="03.4.html">
  
  <a href="03.4.html">
    
                    
                    Go的http包详解
            
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</li>

<li class="chapter " data-level="1.4.3.5" data-path="03.5.html">
  
  <a href="03.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.4" data-path="04.0.html">
  
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                    表单
            
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<li class="chapter " data-level="1.4.4.1" data-path="04.1.html">
  
  <a href="04.1.html">
    
                    
                    处理表单的输入
            
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</li>

<li class="chapter " data-level="1.4.4.2" data-path="04.2.html">
  
  <a href="04.2.html">
    
                    
                    验证表单的输入
            
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</li>

<li class="chapter " data-level="1.4.4.3" data-path="04.3.html">
  
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                    预防跨站脚本
            
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<li class="chapter " data-level="1.4.4.4" data-path="04.4.html">
  
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                    防止多次递交表单
            
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</li>

<li class="chapter " data-level="1.4.4.5" data-path="04.5.html">
  
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                    处理文件上传
            
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</li>

<li class="chapter " data-level="1.4.4.6" data-path="04.6.html">
  
  <a href="04.6.html">
    
                    
                    小结
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.5" data-path="05.0.html">
  
  <a href="05.0.html">
    
                    
                    访问数据库
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.5.1" data-path="05.1.html">
  
  <a href="05.1.html">
    
                    
                    database/sql接口
            
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</li>

<li class="chapter " data-level="1.4.5.2" data-path="05.2.html">
  
  <a href="05.2.html">
    
                    
                    使用MySQL数据库
            
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</li>

<li class="chapter " data-level="1.4.5.3" data-path="05.3.html">
  
  <a href="05.3.html">
    
                    
                    使用SQLite数据库
            
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</li>

<li class="chapter " data-level="1.4.5.4" data-path="05.4.html">
  
  <a href="05.4.html">
    
                    
                    使用PostgreSQL数据库
            
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</li>

<li class="chapter " data-level="1.4.5.5" data-path="05.5.html">
  
  <a href="05.5.html">
    
                    
                    使用beedb库进行ORM开发
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.6" data-path="05.6.html">
  
  <a href="05.6.html">
    
                    
                    NOSQL数据库操作
            
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</li>

<li class="chapter " data-level="1.4.5.7" data-path="05.7.html">
  
  <a href="05.7.html">
    
                    
                    小结
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.6" data-path="06.0.html">
  
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                    session和数据存储
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.6.1" data-path="06.1.html">
  
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                    session和cookie
            
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</li>

<li class="chapter " data-level="1.4.6.2" data-path="06.2.html">
  
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                    Go如何使用session
            
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</li>

<li class="chapter " data-level="1.4.6.3" data-path="06.3.html">
  
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                    session存储
            
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</li>

<li class="chapter " data-level="1.4.6.4" data-path="06.4.html">
  
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                    预防session劫持
            
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</li>

<li class="chapter " data-level="1.4.6.5" data-path="06.5.html">
  
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                    小结
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.7" data-path="07.0.html">
  
  <a href="07.0.html">
    
                    
                    文本文件处理
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.7.1" data-path="07.1.html">
  
  <a href="07.1.html">
    
                    
                    XML处理
            
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</li>

<li class="chapter " data-level="1.4.7.2" data-path="07.2.html">
  
  <a href="07.2.html">
    
                    
                    JSON处理
            
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</li>

<li class="chapter " data-level="1.4.7.3" data-path="07.3.html">
  
  <a href="07.3.html">
    
                    
                    正则处理
            
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</li>

<li class="chapter " data-level="1.4.7.4" data-path="07.4.html">
  
  <a href="07.4.html">
    
                    
                    模板处理
            
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</li>

<li class="chapter " data-level="1.4.7.5" data-path="07.5.html">
  
  <a href="07.5.html">
    
                    
                    文件操作
            
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</li>

<li class="chapter " data-level="1.4.7.6" data-path="07.6.html">
  
  <a href="07.6.html">
    
                    
                    字符串处理
            
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</li>

<li class="chapter " data-level="1.4.7.7" data-path="07.7.html">
  
  <a href="07.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.8" data-path="08.0.html">
  
  <a href="08.0.html">
    
                    
                    Web服务
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.8.1" data-path="08.1.html">
  
  <a href="08.1.html">
    
                    
                    Socket编程
            
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</li>

<li class="chapter " data-level="1.4.8.2" data-path="08.2.html">
  
  <a href="08.2.html">
    
                    
                    WebSocket
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.3" data-path="08.3.html">
  
  <a href="08.3.html">
    
                    
                    REST
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.4" data-path="08.4.html">
  
  <a href="08.4.html">
    
                    
                    RPC
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.5" data-path="08.5.html">
  
  <a href="08.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.9" data-path="09.0.html">
  
  <a href="09.0.html">
    
                    
                    安全与加密
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.9.1" data-path="09.1.html">
  
  <a href="09.1.html">
    
                    
                    预防CSRF攻击
            
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</li>

<li class="chapter " data-level="1.4.9.2" data-path="09.2.html">
  
  <a href="09.2.html">
    
                    
                    确保输入过滤
            
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</li>

<li class="chapter " data-level="1.4.9.3" data-path="09.3.html">
  
  <a href="09.3.html">
    
                    
                    避免XSS攻击
            
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</li>

<li class="chapter " data-level="1.4.9.4" data-path="09.4.html">
  
  <a href="09.4.html">
    
                    
                    避免SQL注入
            
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</li>

<li class="chapter " data-level="1.4.9.5" data-path="09.5.html">
  
  <a href="09.5.html">
    
                    
                    存储密码
            
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</li>

<li class="chapter " data-level="1.4.9.6" data-path="09.6.html">
  
  <a href="09.6.html">
    
                    
                    加密和解密数据
            
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</li>

<li class="chapter " data-level="1.4.9.7" data-path="09.7.html">
  
  <a href="09.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.10" data-path="10.0.html">
  
  <a href="10.0.html">
    
                    
                    国际化和本地化
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.10.1" data-path="10.1.html">
  
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                    设置默认地区
            
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</li>

<li class="chapter " data-level="1.4.10.2" data-path="10.2.html">
  
  <a href="10.2.html">
    
                    
                    本地化资源
            
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</li>

<li class="chapter " data-level="1.4.10.3" data-path="10.3.html">
  
  <a href="10.3.html">
    
                    
                    国际化站点
            
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</li>

<li class="chapter " data-level="1.4.10.4" data-path="10.4.html">
  
  <a href="10.4.html">
    
                    
                    小结
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.11" data-path="11.0.html">
  
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                    错误处理，调试和测试
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.11.1" data-path="11.1.html">
  
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                    错误处理
            
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</li>

<li class="chapter " data-level="1.4.11.2" data-path="11.2.html">
  
  <a href="11.2.html">
    
                    
                    使用GDB调试
            
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</li>

<li class="chapter " data-level="1.4.11.3" data-path="11.3.html">
  
  <a href="11.3.html">
    
                    
                    Go怎么写测试用例
            
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</li>

<li class="chapter " data-level="1.4.11.4" data-path="11.4.html">
  
  <a href="11.4.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.12" data-path="12.0.html">
  
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                    部署与维护
            
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    <ul class="articles">
      

<li class="chapter " data-level="1.4.12.1" data-path="12.1.html">
  
  <a href="12.1.html">
    
                    
                    应用日志
            
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</li>

<li class="chapter " data-level="1.4.12.2" data-path="12.2.html">
  
  <a href="12.2.html">
    
                    
                    网站错误处理
            
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</li>

<li class="chapter " data-level="1.4.12.3" data-path="12.3.html">
  
  <a href="12.3.html">
    
                    
                    应用部署
            
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</li>

<li class="chapter " data-level="1.4.12.4" data-path="12.4.html">
  
  <a href="12.4.html">
    
                    
                    备份和恢复
            
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</li>

<li class="chapter " data-level="1.4.12.5" data-path="12.5.html">
  
  <a href="12.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.13" data-path="13.0.html">
  
  <a href="13.0.html">
    
                    
                    如何设计一个Web框架
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.13.1" data-path="13.1.html">
  
  <a href="13.1.html">
    
                    
                    项目规划
            
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</li>

<li class="chapter " data-level="1.4.13.2" data-path="13.2.html">
  
  <a href="13.2.html">
    
                    
                    自定义路由器设计
            
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</li>

<li class="chapter " data-level="1.4.13.3" data-path="13.3.html">
  
  <a href="13.3.html">
    
                    
                    controller设计
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.4" data-path="13.4.html">
  
  <a href="13.4.html">
    
                    
                    日志和配置设计
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.5" data-path="13.5.html">
  
  <a href="13.5.html">
    
                    
                    实现博客的增删改
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.6" data-path="13.6.html">
  
  <a href="13.6.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.14" data-path="14.0.html">
  
  <a href="14.0.html">
    
                    
                    扩展Web框架
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.14.1" data-path="14.1.html">
  
  <a href="14.1.html">
    
                    
                    静态文件支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.2" data-path="14.2.html">
  
  <a href="14.2.html">
    
                    
                    Session支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.3" data-path="14.3.html">
  
  <a href="14.3.html">
    
                    
                    表单支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.4" data-path="14.4.html">
  
  <a href="14.4.html">
    
                    
                    用户认证
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.5" data-path="14.5.html">
  
  <a href="14.5.html">
    
                    
                    多语言支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.6" data-path="14.6.html">
  
  <a href="14.6.html">
    
                    
                    pprof支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.7" data-path="14.7.html">
  
  <a href="14.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.15" data-path="ref.html">
  
  <a href="ref.html">
    
                    
                    参考资料
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5" data-path="../advanced-go-programming-book/">
  
  <a href="../advanced-go-programming-book/">
    
                    
                    Go语言高级编程
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.1" data-path="../advanced-go-programming-book/ch1-basic/readme.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/readme.html">
    
                    
                    第1章 语言基础
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.1.1" data-path="../advanced-go-programming-book/ch1-basic/ch1-01-genesis.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-01-genesis.html">
    
                    
                    1.1 Go语言创世纪
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.2" data-path="../advanced-go-programming-book/ch1-basic/ch1-02-hello-revolution.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-02-hello-revolution.html">
    
                    
                    1.2 Hello, World 的革命
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.3" data-path="../advanced-go-programming-book/ch1-basic/ch1-03-array-string-and-slice.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-03-array-string-and-slice.html">
    
                    
                    1.3 数组、字符串和切片
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.4" data-path="../advanced-go-programming-book/ch1-basic/ch1-04-func-method-interface.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-04-func-method-interface.html">
    
                    
                    1.4 函数、方法和接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.5" data-path="../advanced-go-programming-book/ch1-basic/ch1-05-mem.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-05-mem.html">
    
                    
                    1.5 面向并发的内存模型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.6" data-path="../advanced-go-programming-book/ch1-basic/ch1-06-goroutine.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-06-goroutine.html">
    
                    
                    1.6 常见的并发模式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.7" data-path="../advanced-go-programming-book/ch1-basic/ch1-07-error-and-panic.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-07-error-and-panic.html">
    
                    
                    1.7 错误和异常
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.8" data-path="../advanced-go-programming-book/ch1-basic/ch1-08-ext.html">
  
  <a href="../advanced-go-programming-book/ch1-basic/ch1-08-ext.html">
    
                    
                    1.8 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.2" data-path="../advanced-go-programming-book/ch2-cgo/readme.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/readme.html">
    
                    
                    第2章 CGO编程
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.2.1" data-path="../advanced-go-programming-book/ch2-cgo/ch2-01-hello-cgo.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-01-hello-cgo.html">
    
                    
                    2.1 快速入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.2" data-path="../advanced-go-programming-book/ch2-cgo/ch2-02-basic.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-02-basic.html">
    
                    
                    2.2 CGO基础
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.3" data-path="../advanced-go-programming-book/ch2-cgo/ch2-03-cgo-types.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-03-cgo-types.html">
    
                    
                    2.3 类型转换
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.4" data-path="../advanced-go-programming-book/ch2-cgo/ch2-04-func.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-04-func.html">
    
                    
                    2.4 函数调用
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.5" data-path="../advanced-go-programming-book/ch2-cgo/ch2-05-internal.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-05-internal.html">
    
                    
                    2.5 内部机制
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.6" data-path="../advanced-go-programming-book/ch2-cgo/ch2-06-qsort.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-06-qsort.html">
    
                    
                    2.6 实战: 封装qsort
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.7" data-path="../advanced-go-programming-book/ch2-cgo/ch2-07-memory.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-07-memory.html">
    
                    
                    2.7 CGO内存模型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.8" data-path="../advanced-go-programming-book/ch2-cgo/ch2-08-class.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-08-class.html">
    
                    
                    2.8 C++类包装
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.9" data-path="../advanced-go-programming-book/ch2-cgo/ch2-09-static-shared-lib.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-09-static-shared-lib.html">
    
                    
                    2.9 静态库和动态库
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.10" data-path="../advanced-go-programming-book/ch2-cgo/ch2-10-link.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-10-link.html">
    
                    
                    2.10 编译和链接参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.11" data-path="../advanced-go-programming-book/ch2-cgo/ch2-11-ext.html">
  
  <a href="../advanced-go-programming-book/ch2-cgo/ch2-11-ext.html">
    
                    
                    2.11 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.3" data-path="../advanced-go-programming-book/ch3-asm/readme.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/readme.html">
    
                    
                    第3章 汇编语言
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.3.1" data-path="../advanced-go-programming-book/ch3-asm/ch3-01-basic.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-01-basic.html">
    
                    
                    3.1 快速入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.2" data-path="../advanced-go-programming-book/ch3-asm/ch3-02-arch.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-02-arch.html">
    
                    
                    3.2 计算机结构
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.3" data-path="../advanced-go-programming-book/ch3-asm/ch3-03-const-and-var.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-03-const-and-var.html">
    
                    
                    3.3 常量和全局变量
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.4" data-path="../advanced-go-programming-book/ch3-asm/ch3-04-func.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-04-func.html">
    
                    
                    3.4 函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.5" data-path="../advanced-go-programming-book/ch3-asm/ch3-05-control-flow.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-05-control-flow.html">
    
                    
                    3.5 控制流
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.6" data-path="../advanced-go-programming-book/ch3-asm/ch3-06-func-again.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-06-func-again.html">
    
                    
                    3.6 再论函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.7" data-path="../advanced-go-programming-book/ch3-asm/ch3-07-hack-asm.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-07-hack-asm.html">
    
                    
                    3.7 汇编语言的威力
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.8" data-path="../advanced-go-programming-book/ch3-asm/ch3-08-goroutine-id.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-08-goroutine-id.html">
    
                    
                    3.8 例子：Goroutine ID
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.9" data-path="../advanced-go-programming-book/ch3-asm/ch3-09-debug.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-09-debug.html">
    
                    
                    3.9 Delve调试器
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.10" data-path="../advanced-go-programming-book/ch3-asm/ch3-10-ext.html">
  
  <a href="../advanced-go-programming-book/ch3-asm/ch3-10-ext.html">
    
                    
                    3.10 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.4" data-path="../advanced-go-programming-book/ch4-rpc/readme.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/readme.html">
    
                    
                    第4章 RPC和Protobuf
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.4.1" data-path="../advanced-go-programming-book/ch4-rpc/ch4-01-rpc-intro.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-01-rpc-intro.html">
    
                    
                    4.1 RPC入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.2" data-path="../advanced-go-programming-book/ch4-rpc/ch4-02-pb-intro.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-02-pb-intro.html">
    
                    
                    4.2 Protobuf
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.3" data-path="../advanced-go-programming-book/ch4-rpc/ch4-03-netrpc-hack.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-03-netrpc-hack.html">
    
                    
                    4.3 玩转RPC
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.4" data-path="../advanced-go-programming-book/ch4-rpc/ch4-04-grpc.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-04-grpc.html">
    
                    
                    4.4 GRPC入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.5" data-path="../advanced-go-programming-book/ch4-rpc/ch4-05-grpc-hack.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-05-grpc-hack.html">
    
                    
                    4.5 GRPC进阶
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.6" data-path="../advanced-go-programming-book/ch4-rpc/ch4-06-grpc-ext.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-06-grpc-ext.html">
    
                    
                    4.6 GRPC和Protobuf扩展
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.7" data-path="../advanced-go-programming-book/ch4-rpc/ch4-07-pbgo.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-07-pbgo.html">
    
                    
                    4.7 pbgo: 基于Protobuf的框架
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.8" data-path="../advanced-go-programming-book/ch4-rpc/ch4-08-grpcurl.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-08-grpcurl.html">
    
                    
                    4.8 grpcurl工具
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.9" data-path="../advanced-go-programming-book/ch4-rpc/ch4-09-ext.html">
  
  <a href="../advanced-go-programming-book/ch4-rpc/ch4-09-ext.html">
    
                    
                    4.9 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.5" data-path="../advanced-go-programming-book/ch5-web/readme.html">
  
  <a href="../advanced-go-programming-book/ch5-web/readme.html">
    
                    
                    第5章 Go和Web
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.5.1" data-path="../advanced-go-programming-book/ch5-web/ch5-01-introduction.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-01-introduction.html">
    
                    
                    5.1 Web开发简介
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.2" data-path="../advanced-go-programming-book/ch5-web/ch5-02-router.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-02-router.html">
    
                    
                    5.2 Router请求路由
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.3" data-path="../advanced-go-programming-book/ch5-web/ch5-03-middleware.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-03-middleware.html">
    
                    
                    5.3 Middleware中间件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.4" data-path="../advanced-go-programming-book/ch5-web/ch5-04-validator.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-04-validator.html">
    
                    
                    5.4 Validator请求校验
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.5" data-path="../advanced-go-programming-book/ch5-web/ch5-05-database.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-05-database.html">
    
                    
                    5.5 Database和数据库打交道
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.6" data-path="../advanced-go-programming-book/ch5-web/ch5-06-ratelimit.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-06-ratelimit.html">
    
                    
                    5.6 Ratelimit 服务流量限制
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.7" data-path="../advanced-go-programming-book/ch5-web/ch5-07-layout-of-web-project.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-07-layout-of-web-project.html">
    
                    
                    5.7 Layout大型web项目分层
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.8" data-path="../advanced-go-programming-book/ch5-web/ch5-08-interface-and-web.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-08-interface-and-web.html">
    
                    
                    5.8 interface 和 table-driven 开发
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.9" data-path="../advanced-go-programming-book/ch5-web/ch5-09-gated-launch.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-09-gated-launch.html">
    
                    
                    5.9 灰度发布和 A/B test
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.10" data-path="../advanced-go-programming-book/ch5-web/ch5-10-ext.html">
  
  <a href="../advanced-go-programming-book/ch5-web/ch5-10-ext.html">
    
                    
                    5.10 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.6" data-path="../advanced-go-programming-book/ch6-cloud/readme.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/readme.html">
    
                    
                    第6章 分布式系统
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.6.1" data-path="../advanced-go-programming-book/ch6-cloud/ch6-01-dist-id.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-01-dist-id.html">
    
                    
                    6.1 分布式 id 生成器
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.2" data-path="../advanced-go-programming-book/ch6-cloud/ch6-02-lock.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-02-lock.html">
    
                    
                    6.2 分布式锁
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.3" data-path="../advanced-go-programming-book/ch6-cloud/ch6-03-delay-job.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-03-delay-job.html">
    
                    
                    6.3 延时任务系统
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.4" data-path="../advanced-go-programming-book/ch6-cloud/ch6-04-search-engine.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-04-search-engine.html">
    
                    
                    6.4 分布式搜索引擎
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.5" data-path="../advanced-go-programming-book/ch6-cloud/ch6-05-load-balance.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-05-load-balance.html">
    
                    
                    6.5 负载均衡
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.6" data-path="../advanced-go-programming-book/ch6-cloud/ch6-06-config.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-06-config.html">
    
                    
                    6.6 分布式配置管理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.7" data-path="../advanced-go-programming-book/ch6-cloud/ch6-07-crawler.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-07-crawler.html">
    
                    
                    6.7 分布式爬虫
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.6.8" data-path="../advanced-go-programming-book/ch6-cloud/ch6-08-ext.html">
  
  <a href="../advanced-go-programming-book/ch6-cloud/ch6-08-ext.html">
    
                    
                    6.8 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.7" data-path="../advanced-go-programming-book/appendix/readme.html">
  
  <a href="../advanced-go-programming-book/appendix/readme.html">
    
                    
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                    附录C: 作者简介
            
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                                <h1 id="22-go&#x57FA;&#x7840;">2.2 Go&#x57FA;&#x7840;</h1>
<p>&#x8FD9;&#x5C0F;&#x8282;&#x6211;&#x4EEC;&#x5C06;&#x8981;&#x4ECB;&#x7ECD;&#x5982;&#x4F55;&#x5B9A;&#x4E49;&#x53D8;&#x91CF;&#x3001;&#x5E38;&#x91CF;&#x3001;Go&#x5185;&#x7F6E;&#x7C7B;&#x578B;&#x4EE5;&#x53CA;Go&#x7A0B;&#x5E8F;&#x8BBE;&#x8BA1;&#x4E2D;&#x7684;&#x4E00;&#x4E9B;&#x6280;&#x5DE7;&#x3002;</p>
<h2 id="&#x5B9A;&#x4E49;&#x53D8;&#x91CF;">&#x5B9A;&#x4E49;&#x53D8;&#x91CF;</h2>
<p>Go&#x8BED;&#x8A00;&#x91CC;&#x9762;&#x5B9A;&#x4E49;&#x53D8;&#x91CF;&#x6709;&#x591A;&#x79CD;&#x65B9;&#x5F0F;&#x3002;</p>
<p>&#x4F7F;&#x7528;<code>var</code>&#x5173;&#x952E;&#x5B57;&#x662F;Go&#x6700;&#x57FA;&#x672C;&#x7684;&#x5B9A;&#x4E49;&#x53D8;&#x91CF;&#x65B9;&#x5F0F;&#xFF0C;&#x4E0E;C&#x8BED;&#x8A00;&#x4E0D;&#x540C;&#x7684;&#x662F;Go&#x628A;&#x53D8;&#x91CF;&#x7C7B;&#x578B;&#x653E;&#x5728;&#x53D8;&#x91CF;&#x540D;&#x540E;&#x9762;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">//&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;&#x540D;&#x79F0;&#x4E3A;&#x201C;variableName&#x201D;&#xFF0C;&#x7C7B;&#x578B;&#x4E3A;&quot;type&quot;&#x7684;&#x53D8;&#x91CF;</span>
<span class="hljs-keyword">var</span> variableName <span class="hljs-keyword">type</span>
</code></pre>
<p>&#x5B9A;&#x4E49;&#x591A;&#x4E2A;&#x53D8;&#x91CF;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">//&#x5B9A;&#x4E49;&#x4E09;&#x4E2A;&#x7C7B;&#x578B;&#x90FD;&#x662F;&#x201C;type&#x201D;&#x7684;&#x53D8;&#x91CF;</span>
<span class="hljs-keyword">var</span> vname1, vname2, vname3 <span class="hljs-keyword">type</span>
</code></pre>
<p>&#x5B9A;&#x4E49;&#x53D8;&#x91CF;&#x5E76;&#x521D;&#x59CB;&#x5316;&#x503C;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">//&#x521D;&#x59CB;&#x5316;&#x201C;variableName&#x201D;&#x7684;&#x53D8;&#x91CF;&#x4E3A;&#x201C;value&#x201D;&#x503C;&#xFF0C;&#x7C7B;&#x578B;&#x662F;&#x201C;type&#x201D;</span>
<span class="hljs-keyword">var</span> variableName <span class="hljs-keyword">type</span> = value
</code></pre>
<p>&#x540C;&#x65F6;&#x521D;&#x59CB;&#x5316;&#x591A;&#x4E2A;&#x53D8;&#x91CF;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">/*
    &#x5B9A;&#x4E49;&#x4E09;&#x4E2A;&#x7C7B;&#x578B;&#x90FD;&#x662F;&quot;type&quot;&#x7684;&#x53D8;&#x91CF;,&#x5E76;&#x4E14;&#x5206;&#x522B;&#x521D;&#x59CB;&#x5316;&#x4E3A;&#x76F8;&#x5E94;&#x7684;&#x503C;
    vname1&#x4E3A;v1&#xFF0C;vname2&#x4E3A;v2&#xFF0C;vname3&#x4E3A;v3
*/</span>
<span class="hljs-keyword">var</span> vname1, vname2, vname3 <span class="hljs-keyword">type</span>= v1, v2, v3
</code></pre>
<p>&#x4F60;&#x662F;&#x4E0D;&#x662F;&#x89C9;&#x5F97;&#x4E0A;&#x9762;&#x8FD9;&#x6837;&#x7684;&#x5B9A;&#x4E49;&#x6709;&#x70B9;&#x7E41;&#x7410;&#xFF1F;&#x6CA1;&#x5173;&#x7CFB;&#xFF0C;&#x56E0;&#x4E3A;Go&#x8BED;&#x8A00;&#x7684;&#x8BBE;&#x8BA1;&#x8005;&#x4E5F;&#x53D1;&#x73B0;&#x4E86;&#xFF0C;&#x6709;&#x4E00;&#x79CD;&#x5199;&#x6CD5;&#x53EF;&#x4EE5;&#x8BA9;&#x5B83;&#x53D8;&#x5F97;&#x7B80;&#x5355;&#x4E00;&#x70B9;&#x3002;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x5FFD;&#x7565;&#x7C7B;&#x578B;&#x58F0;&#x660E;&#xFF0C;&#x90A3;&#x4E48;&#x4E0A;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x53D8;&#x6210;&#x8FD9;&#x6837;&#x4E86;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">/*
    &#x5B9A;&#x4E49;&#x4E09;&#x4E2A;&#x53D8;&#x91CF;&#xFF0C;&#x5B83;&#x4EEC;&#x5206;&#x522B;&#x521D;&#x59CB;&#x5316;&#x4E3A;&#x76F8;&#x5E94;&#x7684;&#x503C;
    vname1&#x4E3A;v1&#xFF0C;vname2&#x4E3A;v2&#xFF0C;vname3&#x4E3A;v3
    &#x7136;&#x540E;Go&#x4F1A;&#x6839;&#x636E;&#x5176;&#x76F8;&#x5E94;&#x503C;&#x7684;&#x7C7B;&#x578B;&#x6765;&#x5E2E;&#x4F60;&#x521D;&#x59CB;&#x5316;&#x5B83;&#x4EEC;
*/</span>
<span class="hljs-keyword">var</span> vname1, vname2, vname3 = v1, v2, v3
</code></pre>
<p>&#x4F60;&#x89C9;&#x5F97;&#x4E0A;&#x9762;&#x7684;&#x8FD8;&#x662F;&#x6709;&#x4E9B;&#x7E41;&#x7410;&#xFF1F;&#x597D;&#x5427;&#xFF0C;&#x6211;&#x4E5F;&#x89C9;&#x5F97;&#x3002;&#x8BA9;&#x6211;&#x4EEC;&#x7EE7;&#x7EED;&#x7B80;&#x5316;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">/*
    &#x5B9A;&#x4E49;&#x4E09;&#x4E2A;&#x53D8;&#x91CF;&#xFF0C;&#x5B83;&#x4EEC;&#x5206;&#x522B;&#x521D;&#x59CB;&#x5316;&#x4E3A;&#x76F8;&#x5E94;&#x7684;&#x503C;
    vname1&#x4E3A;v1&#xFF0C;vname2&#x4E3A;v2&#xFF0C;vname3&#x4E3A;v3
    &#x7F16;&#x8BD1;&#x5668;&#x4F1A;&#x6839;&#x636E;&#x521D;&#x59CB;&#x5316;&#x7684;&#x503C;&#x81EA;&#x52A8;&#x63A8;&#x5BFC;&#x51FA;&#x76F8;&#x5E94;&#x7684;&#x7C7B;&#x578B;
*/</span>
vname1, vname2, vname3 := v1, v2, v3
</code></pre>
<p>&#x73B0;&#x5728;&#x662F;&#x4E0D;&#x662F;&#x770B;&#x4E0A;&#x53BB;&#x975E;&#x5E38;&#x7B80;&#x6D01;&#x4E86;&#xFF1F;<code>:=</code>&#x8FD9;&#x4E2A;&#x7B26;&#x53F7;&#x76F4;&#x63A5;&#x53D6;&#x4EE3;&#x4E86;<code>var</code>&#x548C;<code>type</code>,&#x8FD9;&#x79CD;&#x5F62;&#x5F0F;&#x53EB;&#x505A;&#x7B80;&#x77ED;&#x58F0;&#x660E;&#x3002;&#x4E0D;&#x8FC7;&#x5B83;&#x6709;&#x4E00;&#x4E2A;&#x9650;&#x5236;&#xFF0C;&#x90A3;&#x5C31;&#x662F;&#x5B83;&#x53EA;&#x80FD;&#x7528;&#x5728;&#x51FD;&#x6570;&#x5185;&#x90E8;&#xFF1B;&#x5728;&#x51FD;&#x6570;&#x5916;&#x90E8;&#x4F7F;&#x7528;&#x5219;&#x4F1A;&#x65E0;&#x6CD5;&#x7F16;&#x8BD1;&#x901A;&#x8FC7;&#xFF0C;&#x6240;&#x4EE5;&#x4E00;&#x822C;&#x7528;<code>var</code>&#x65B9;&#x5F0F;&#x6765;&#x5B9A;&#x4E49;&#x5168;&#x5C40;&#x53D8;&#x91CF;&#x3002;</p>
<p><code>_</code>&#xFF08;&#x4E0B;&#x5212;&#x7EBF;&#xFF09;&#x662F;&#x4E2A;&#x7279;&#x6B8A;&#x7684;&#x53D8;&#x91CF;&#x540D;&#xFF0C;&#x4EFB;&#x4F55;&#x8D4B;&#x4E88;&#x5B83;&#x7684;&#x503C;&#x90FD;&#x4F1A;&#x88AB;&#x4E22;&#x5F03;&#x3002;&#x5728;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x503C;<code>35</code>&#x8D4B;&#x4E88;<code>b</code>&#xFF0C;&#x5E76;&#x540C;&#x65F6;&#x4E22;&#x5F03;<code>34</code>&#xFF1A;</p>
<pre><code>_, b := 34, 35
</code></pre><p>Go&#x5BF9;&#x4E8E;&#x5DF2;&#x58F0;&#x660E;&#x4F46;&#x672A;&#x4F7F;&#x7528;&#x7684;&#x53D8;&#x91CF;&#x4F1A;&#x5728;&#x7F16;&#x8BD1;&#x9636;&#x6BB5;&#x62A5;&#x9519;&#xFF0C;&#x6BD4;&#x5982;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x5C31;&#x4F1A;&#x4EA7;&#x751F;&#x4E00;&#x4E2A;&#x9519;&#x8BEF;&#xFF1A;&#x58F0;&#x660E;&#x4E86;<code>i</code>&#x4F46;&#x672A;&#x4F7F;&#x7528;&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">package</span> main

<span class="hljs-keyword">func</span> main() {
    <span class="hljs-keyword">var</span> i <span class="hljs-keyword">int</span>
}
</code></pre>
<h2 id="&#x5E38;&#x91CF;">&#x5E38;&#x91CF;</h2>
<p>&#x6240;&#x8C13;&#x5E38;&#x91CF;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x5728;&#x7A0B;&#x5E8F;&#x7F16;&#x8BD1;&#x9636;&#x6BB5;&#x5C31;&#x786E;&#x5B9A;&#x4E0B;&#x6765;&#x7684;&#x503C;&#xFF0C;&#x800C;&#x7A0B;&#x5E8F;&#x5728;&#x8FD0;&#x884C;&#x65F6;&#x65E0;&#x6CD5;&#x6539;&#x53D8;&#x8BE5;&#x503C;&#x3002;&#x5728;Go&#x7A0B;&#x5E8F;&#x4E2D;&#xFF0C;&#x5E38;&#x91CF;&#x53EF;&#x5B9A;&#x4E49;&#x4E3A;&#x6570;&#x503C;&#x3001;&#x5E03;&#x5C14;&#x503C;&#x6216;&#x5B57;&#x7B26;&#x4E32;&#x7B49;&#x7C7B;&#x578B;&#x3002;</p>
<p>&#x5B83;&#x7684;&#x8BED;&#x6CD5;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">const</span> constantName = value
<span class="hljs-comment">//&#x5982;&#x679C;&#x9700;&#x8981;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x660E;&#x786E;&#x6307;&#x5B9A;&#x5E38;&#x91CF;&#x7684;&#x7C7B;&#x578B;&#xFF1A;</span>
<span class="hljs-keyword">const</span> Pi <span class="hljs-keyword">float32</span> = <span class="hljs-number">3.1415926</span>
</code></pre>
<p>&#x4E0B;&#x9762;&#x662F;&#x4E00;&#x4E9B;&#x5E38;&#x91CF;&#x58F0;&#x660E;&#x7684;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">const</span> Pi = <span class="hljs-number">3.1415926</span>
<span class="hljs-keyword">const</span> i = <span class="hljs-number">10000</span>
<span class="hljs-keyword">const</span> MaxThread = <span class="hljs-number">10</span>
<span class="hljs-keyword">const</span> prefix = <span class="hljs-string">&quot;astaxie_&quot;</span>
</code></pre>
<p>Go &#x5E38;&#x91CF;&#x548C;&#x4E00;&#x822C;&#x7A0B;&#x5E8F;&#x8BED;&#x8A00;&#x4E0D;&#x540C;&#x7684;&#x662F;&#xFF0C;&#x53EF;&#x4EE5;&#x6307;&#x5B9A;&#x76F8;&#x5F53;&#x591A;&#x7684;&#x5C0F;&#x6570;&#x4F4D;&#x6570;(&#x4F8B;&#x5982;200&#x4F4D;)&#xFF0C;
&#x82E5;&#x6307;&#x5B9A;&#x7D66;float32&#x81EA;&#x52A8;&#x7F29;&#x77ED;&#x4E3A;32bit&#xFF0C;&#x6307;&#x5B9A;&#x7ED9;float64&#x81EA;&#x52A8;&#x7F29;&#x77ED;&#x4E3A;64bit&#xFF0C;&#x8BE6;&#x60C5;&#x53C2;&#x8003;<a href="http://golang.org/ref/spec#Constants" target="_blank">&#x94FE;&#x63A5;</a></p>
<h2 id="&#x5185;&#x7F6E;&#x57FA;&#x7840;&#x7C7B;&#x578B;">&#x5185;&#x7F6E;&#x57FA;&#x7840;&#x7C7B;&#x578B;</h2>
<h3 id="boolean">Boolean</h3>
<p>&#x5728;Go&#x4E2D;&#xFF0C;&#x5E03;&#x5C14;&#x503C;&#x7684;&#x7C7B;&#x578B;&#x4E3A;<code>bool</code>&#xFF0C;&#x503C;&#x662F;<code>true</code>&#x6216;<code>false</code>&#xFF0C;&#x9ED8;&#x8BA4;&#x4E3A;<code>false</code>&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">//&#x793A;&#x4F8B;&#x4EE3;&#x7801;</span>
<span class="hljs-keyword">var</span> isActive <span class="hljs-keyword">bool</span>  <span class="hljs-comment">// &#x5168;&#x5C40;&#x53D8;&#x91CF;&#x58F0;&#x660E;</span>
<span class="hljs-keyword">var</span> enabled, disabled = <span class="hljs-literal">true</span>, <span class="hljs-literal">false</span>  <span class="hljs-comment">// &#x5FFD;&#x7565;&#x7C7B;&#x578B;&#x7684;&#x58F0;&#x660E;</span>
<span class="hljs-keyword">func</span> test() {
    <span class="hljs-keyword">var</span> available <span class="hljs-keyword">bool</span>  <span class="hljs-comment">// &#x4E00;&#x822C;&#x58F0;&#x660E;</span>
    valid := <span class="hljs-literal">false</span>      <span class="hljs-comment">// &#x7B80;&#x77ED;&#x58F0;&#x660E;</span>
    available = <span class="hljs-literal">true</span>    <span class="hljs-comment">// &#x8D4B;&#x503C;&#x64CD;&#x4F5C;</span>
}
</code></pre>
<h3 id="&#x6570;&#x503C;&#x7C7B;&#x578B;">&#x6570;&#x503C;&#x7C7B;&#x578B;</h3>
<p>&#x6574;&#x6570;&#x7C7B;&#x578B;&#x6709;&#x65E0;&#x7B26;&#x53F7;&#x548C;&#x5E26;&#x7B26;&#x53F7;&#x4E24;&#x79CD;&#x3002;Go&#x540C;&#x65F6;&#x652F;&#x6301;<code>int</code>&#x548C;<code>uint</code>&#xFF0C;&#x8FD9;&#x4E24;&#x79CD;&#x7C7B;&#x578B;&#x7684;&#x957F;&#x5EA6;&#x76F8;&#x540C;&#xFF0C;&#x4F46;&#x5177;&#x4F53;&#x957F;&#x5EA6;&#x53D6;&#x51B3;&#x4E8E;&#x4E0D;&#x540C;&#x7F16;&#x8BD1;&#x5668;&#x7684;&#x5B9E;&#x73B0;&#x3002;Go&#x91CC;&#x9762;&#x4E5F;&#x6709;&#x76F4;&#x63A5;&#x5B9A;&#x4E49;&#x597D;&#x4F4D;&#x6570;&#x7684;&#x7C7B;&#x578B;&#xFF1A;<code>rune</code>, <code>int8</code>, <code>int16</code>, <code>int32</code>, <code>int64</code>&#x548C;<code>byte</code>, <code>uint8</code>, <code>uint16</code>, <code>uint32</code>, <code>uint64</code>&#x3002;&#x5176;&#x4E2D;<code>rune</code>&#x662F;<code>int32</code>&#x7684;&#x522B;&#x79F0;&#xFF0C;<code>byte</code>&#x662F;<code>uint8</code>&#x7684;&#x522B;&#x79F0;&#x3002;</p>
<blockquote>
<p>&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x4E00;&#x70B9;&#x662F;&#xFF0C;&#x8FD9;&#x4E9B;&#x7C7B;&#x578B;&#x7684;&#x53D8;&#x91CF;&#x4E4B;&#x95F4;&#x4E0D;&#x5141;&#x8BB8;&#x4E92;&#x76F8;&#x8D4B;&#x503C;&#x6216;&#x64CD;&#x4F5C;&#xFF0C;&#x4E0D;&#x7136;&#x4F1A;&#x5728;&#x7F16;&#x8BD1;&#x65F6;&#x5F15;&#x8D77;&#x7F16;&#x8BD1;&#x5668;&#x62A5;&#x9519;&#x3002;</p>
<p>&#x5982;&#x4E0B;&#x7684;&#x4EE3;&#x7801;&#x4F1A;&#x4EA7;&#x751F;&#x9519;&#x8BEF;&#xFF1A;invalid operation: a + b (mismatched types int8 and int32)</p>
<blockquote>
<p>   var a int8</p>
<p>   var b int32</p>
<p>   c:=a + b</p>
</blockquote>
<p>&#x53E6;&#x5916;&#xFF0C;&#x5C3D;&#x7BA1;int&#x7684;&#x957F;&#x5EA6;&#x662F;32 bit, &#x4F46;int &#x4E0E; int32&#x5E76;&#x4E0D;&#x53EF;&#x4EE5;&#x4E92;&#x7528;&#x3002;</p>
</blockquote>
<p>&#x6D6E;&#x70B9;&#x6570;&#x7684;&#x7C7B;&#x578B;&#x6709;<code>float32</code>&#x548C;<code>float64</code>&#x4E24;&#x79CD;&#xFF08;&#x6CA1;&#x6709;<code>float</code>&#x7C7B;&#x578B;&#xFF09;&#xFF0C;&#x9ED8;&#x8BA4;&#x662F;<code>float64</code>&#x3002;</p>
<p>&#x8FD9;&#x5C31;&#x662F;&#x5168;&#x90E8;&#x5417;&#xFF1F;No&#xFF01;Go&#x8FD8;&#x652F;&#x6301;&#x590D;&#x6570;&#x3002;&#x5B83;&#x7684;&#x9ED8;&#x8BA4;&#x7C7B;&#x578B;&#x662F;<code>complex128</code>&#xFF08;64&#x4F4D;&#x5B9E;&#x6570;+64&#x4F4D;&#x865A;&#x6570;&#xFF09;&#x3002;&#x5982;&#x679C;&#x9700;&#x8981;&#x5C0F;&#x4E00;&#x4E9B;&#x7684;&#xFF0C;&#x4E5F;&#x6709;<code>complex64</code>(32&#x4F4D;&#x5B9E;&#x6570;+32&#x4F4D;&#x865A;&#x6570;)&#x3002;&#x590D;&#x6570;&#x7684;&#x5F62;&#x5F0F;&#x4E3A;<code>RE + IMi</code>&#xFF0C;&#x5176;&#x4E2D;<code>RE</code>&#x662F;&#x5B9E;&#x6570;&#x90E8;&#x5206;&#xFF0C;<code>IM</code>&#x662F;&#x865A;&#x6570;&#x90E8;&#x5206;&#xFF0C;&#x800C;&#x6700;&#x540E;&#x7684;<code>i</code>&#x662F;&#x865A;&#x6570;&#x5355;&#x4F4D;&#x3002;&#x4E0B;&#x9762;&#x662F;&#x4E00;&#x4E2A;&#x4F7F;&#x7528;&#x590D;&#x6570;&#x7684;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">var</span> c <span class="hljs-keyword">complex64</span> = <span class="hljs-number">5</span>+<span class="hljs-number">5i</span>
<span class="hljs-comment">//output: (5+5i)</span>
fmt.Printf(<span class="hljs-string">&quot;Value is: %v&quot;</span>, c)
</code></pre>
<h3 id="&#x5B57;&#x7B26;&#x4E32;">&#x5B57;&#x7B26;&#x4E32;</h3>
<p>&#x6211;&#x4EEC;&#x5728;&#x4E0A;&#x4E00;&#x8282;&#x4E2D;&#x8BB2;&#x8FC7;&#xFF0C;Go&#x4E2D;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x90FD;&#x662F;&#x91C7;&#x7528;<code>UTF-8</code>&#x5B57;&#x7B26;&#x96C6;&#x7F16;&#x7801;&#x3002;&#x5B57;&#x7B26;&#x4E32;&#x662F;&#x7528;&#x4E00;&#x5BF9;&#x53CC;&#x5F15;&#x53F7;&#xFF08;<code>&quot;&quot;</code>&#xFF09;&#x6216;&#x53CD;&#x5F15;&#x53F7;&#xFF08;<code>` </code> <code>` </code>&#xFF09;&#x62EC;&#x8D77;&#x6765;&#x5B9A;&#x4E49;&#xFF0C;&#x5B83;&#x7684;&#x7C7B;&#x578B;&#x662F;<code>string</code>&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">//&#x793A;&#x4F8B;&#x4EE3;&#x7801;</span>
<span class="hljs-keyword">var</span> frenchHello <span class="hljs-keyword">string</span>  <span class="hljs-comment">// &#x58F0;&#x660E;&#x53D8;&#x91CF;&#x4E3A;&#x5B57;&#x7B26;&#x4E32;&#x7684;&#x4E00;&#x822C;&#x65B9;&#x6CD5;</span>
<span class="hljs-keyword">var</span> emptyString <span class="hljs-keyword">string</span> = <span class="hljs-string">&quot;&quot;</span>  <span class="hljs-comment">// &#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#x53D8;&#x91CF;&#xFF0C;&#x521D;&#x59CB;&#x5316;&#x4E3A;&#x7A7A;&#x5B57;&#x7B26;&#x4E32;</span>
<span class="hljs-keyword">func</span> test() {
    no, yes, maybe := <span class="hljs-string">&quot;no&quot;</span>, <span class="hljs-string">&quot;yes&quot;</span>, <span class="hljs-string">&quot;maybe&quot;</span>  <span class="hljs-comment">// &#x7B80;&#x77ED;&#x58F0;&#x660E;&#xFF0C;&#x540C;&#x65F6;&#x58F0;&#x660E;&#x591A;&#x4E2A;&#x53D8;&#x91CF;</span>
    japaneseHello := <span class="hljs-string">&quot;Konichiwa&quot;</span>  <span class="hljs-comment">// &#x540C;&#x4E0A;</span>
    frenchHello = <span class="hljs-string">&quot;Bonjour&quot;</span>  <span class="hljs-comment">// &#x5E38;&#x89C4;&#x8D4B;&#x503C;</span>
}
</code></pre>
<p>&#x5728;Go&#x4E2D;&#x5B57;&#x7B26;&#x4E32;&#x662F;&#x4E0D;&#x53EF;&#x53D8;&#x7684;&#xFF0C;&#x4F8B;&#x5982;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x7F16;&#x8BD1;&#x65F6;&#x4F1A;&#x62A5;&#x9519;&#xFF1A;cannot assign to s[0]</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">var</span> s <span class="hljs-keyword">string</span> = <span class="hljs-string">&quot;hello&quot;</span>
s[<span class="hljs-number">0</span>] = <span class="hljs-string">&apos;c&apos;</span>
</code></pre>
<p>&#x4F46;&#x5982;&#x679C;&#x771F;&#x7684;&#x60F3;&#x8981;&#x4FEE;&#x6539;&#x600E;&#x4E48;&#x529E;&#x5462;&#xFF1F;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x53EF;&#x4EE5;&#x5B9E;&#x73B0;&#xFF1A;</p>
<pre><code class="lang-Go">
s := <span class="hljs-string">&quot;hello&quot;</span>
c := []<span class="hljs-keyword">byte</span>(s)  <span class="hljs-comment">// &#x5C06;&#x5B57;&#x7B26;&#x4E32; s &#x8F6C;&#x6362;&#x4E3A; []byte &#x7C7B;&#x578B;</span>
c[<span class="hljs-number">0</span>] = <span class="hljs-string">&apos;c&apos;</span>
s2 := <span class="hljs-keyword">string</span>(c)  <span class="hljs-comment">// &#x518D;&#x8F6C;&#x6362;&#x56DE; string &#x7C7B;&#x578B;</span>
fmt.Printf(<span class="hljs-string">&quot;%s\n&quot;</span>, s2)
</code></pre>
<p>Go&#x4E2D;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;<code>+</code>&#x64CD;&#x4F5C;&#x7B26;&#x6765;&#x8FDE;&#x63A5;&#x4E24;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#xFF1A;</p>
<pre><code class="lang-Go">
s := <span class="hljs-string">&quot;hello,&quot;</span>
m := <span class="hljs-string">&quot; world&quot;</span>
a := s + m
fmt.Printf(<span class="hljs-string">&quot;%s\n&quot;</span>, a)
</code></pre>
<p>&#x4FEE;&#x6539;&#x5B57;&#x7B26;&#x4E32;&#x4E5F;&#x53EF;&#x5199;&#x4E3A;&#xFF1A;</p>
<pre><code class="lang-Go">
s := <span class="hljs-string">&quot;hello&quot;</span>
s = <span class="hljs-string">&quot;c&quot;</span> + s[<span class="hljs-number">1</span>:] <span class="hljs-comment">// &#x5B57;&#x7B26;&#x4E32;&#x867D;&#x4E0D;&#x80FD;&#x66F4;&#x6539;&#xFF0C;&#x4F46;&#x53EF;&#x8FDB;&#x884C;&#x5207;&#x7247;&#x64CD;&#x4F5C;</span>
fmt.Printf(<span class="hljs-string">&quot;%s\n&quot;</span>, s)
</code></pre>
<p>&#x5982;&#x679C;&#x8981;&#x58F0;&#x660E;&#x4E00;&#x4E2A;&#x591A;&#x884C;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x600E;&#x4E48;&#x529E;&#xFF1F;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;<code>` </code>&#x6765;&#x58F0;&#x660E;&#xFF1A;</p>
<pre><code>m := `hello
    world`
</code></pre><p><code>` </code> &#x62EC;&#x8D77;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x4E3A;Raw&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x5373;&#x5B57;&#x7B26;&#x4E32;&#x5728;&#x4EE3;&#x7801;&#x4E2D;&#x7684;&#x5F62;&#x5F0F;&#x5C31;&#x662F;&#x6253;&#x5370;&#x65F6;&#x7684;&#x5F62;&#x5F0F;&#xFF0C;&#x5B83;&#x6CA1;&#x6709;&#x5B57;&#x7B26;&#x8F6C;&#x4E49;&#xFF0C;&#x6362;&#x884C;&#x4E5F;&#x5C06;&#x539F;&#x6837;&#x8F93;&#x51FA;&#x3002;&#x4F8B;&#x5982;&#x672C;&#x4F8B;&#x4E2D;&#x4F1A;&#x8F93;&#x51FA;&#xFF1A;</p>
<pre><code>hello
    world
</code></pre><h3 id="&#x9519;&#x8BEF;&#x7C7B;&#x578B;">&#x9519;&#x8BEF;&#x7C7B;&#x578B;</h3>
<p>Go&#x5185;&#x7F6E;&#x6709;&#x4E00;&#x4E2A;<code>error</code>&#x7C7B;&#x578B;&#xFF0C;&#x4E13;&#x95E8;&#x7528;&#x6765;&#x5904;&#x7406;&#x9519;&#x8BEF;&#x4FE1;&#x606F;&#xFF0C;Go&#x7684;<code>package</code>&#x91CC;&#x9762;&#x8FD8;&#x4E13;&#x95E8;&#x6709;&#x4E00;&#x4E2A;&#x5305;<code>errors</code>&#x6765;&#x5904;&#x7406;&#x9519;&#x8BEF;&#xFF1A;</p>
<pre><code class="lang-Go">
err := errors.New(<span class="hljs-string">&quot;emit macho dwarf: elf header corrupted&quot;</span>)
<span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
    fmt.Print(err)
}
</code></pre>
<h3 id="go&#x6570;&#x636E;&#x5E95;&#x5C42;&#x7684;&#x5B58;&#x50A8;">Go&#x6570;&#x636E;&#x5E95;&#x5C42;&#x7684;&#x5B58;&#x50A8;</h3>
<p>&#x4E0B;&#x9762;&#x8FD9;&#x5F20;&#x56FE;&#x6765;&#x6E90;&#x4E8E;<a href="http://research.swtch.com/" target="_blank">Russ Cox Blog</a>&#x4E2D;&#x4E00;&#x7BC7;&#x4ECB;&#x7ECD;<a href="http://research.swtch.com/godata" target="_blank">Go&#x6570;&#x636E;&#x7ED3;&#x6784;</a>&#x7684;&#x6587;&#x7AE0;&#xFF0C;&#x5927;&#x5BB6;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x8FD9;&#x4E9B;&#x57FA;&#x7840;&#x7C7B;&#x578B;&#x5E95;&#x5C42;&#x90FD;&#x662F;&#x5206;&#x914D;&#x4E86;&#x4E00;&#x5757;&#x5185;&#x5B58;&#xFF0C;&#x7136;&#x540E;&#x5B58;&#x50A8;&#x4E86;&#x76F8;&#x5E94;&#x7684;&#x503C;&#x3002;</p>
<p><img src="images/2.2.basic.png?raw=true" alt=""></p>
<p>&#x56FE;2.1 Go&#x6570;&#x636E;&#x683C;&#x5F0F;&#x7684;&#x5B58;&#x50A8;</p>
<h2 id="&#x4E00;&#x4E9B;&#x6280;&#x5DE7;">&#x4E00;&#x4E9B;&#x6280;&#x5DE7;</h2>
<h3 id="&#x5206;&#x7EC4;&#x58F0;&#x660E;">&#x5206;&#x7EC4;&#x58F0;&#x660E;</h3>
<p>&#x5728;Go&#x8BED;&#x8A00;&#x4E2D;&#xFF0C;&#x540C;&#x65F6;&#x58F0;&#x660E;&#x591A;&#x4E2A;&#x5E38;&#x91CF;&#x3001;&#x53D8;&#x91CF;&#xFF0C;&#x6216;&#x8005;&#x5BFC;&#x5165;&#x591A;&#x4E2A;&#x5305;&#x65F6;&#xFF0C;&#x53EF;&#x91C7;&#x7528;&#x5206;&#x7EC4;&#x7684;&#x65B9;&#x5F0F;&#x8FDB;&#x884C;&#x58F0;&#x660E;&#x3002;</p>
<p>&#x4F8B;&#x5982;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">import</span> <span class="hljs-string">&quot;fmt&quot;</span>
<span class="hljs-keyword">import</span> <span class="hljs-string">&quot;os&quot;</span>

<span class="hljs-keyword">const</span> i = <span class="hljs-number">100</span>
<span class="hljs-keyword">const</span> pi = <span class="hljs-number">3.1415</span>
<span class="hljs-keyword">const</span> prefix = <span class="hljs-string">&quot;Go_&quot;</span>

<span class="hljs-keyword">var</span> i <span class="hljs-keyword">int</span>
<span class="hljs-keyword">var</span> pi <span class="hljs-keyword">float32</span>
<span class="hljs-keyword">var</span> prefix <span class="hljs-keyword">string</span>
</code></pre>
<p>&#x53EF;&#x4EE5;&#x5206;&#x7EC4;&#x5199;&#x6210;&#x5982;&#x4E0B;&#x5F62;&#x5F0F;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">import</span>(
    <span class="hljs-string">&quot;fmt&quot;</span>
    <span class="hljs-string">&quot;os&quot;</span>
)

<span class="hljs-keyword">const</span>(
    i = <span class="hljs-number">100</span>
    pi = <span class="hljs-number">3.1415</span>
    prefix = <span class="hljs-string">&quot;Go_&quot;</span>
)

<span class="hljs-keyword">var</span>(
    i <span class="hljs-keyword">int</span>
    pi <span class="hljs-keyword">float32</span>
    prefix <span class="hljs-keyword">string</span>
)
</code></pre>
<h3 id="iota&#x679A;&#x4E3E;">iota&#x679A;&#x4E3E;</h3>
<p>Go&#x91CC;&#x9762;&#x6709;&#x4E00;&#x4E2A;&#x5173;&#x952E;&#x5B57;<code>iota</code>&#xFF0C;&#x8FD9;&#x4E2A;&#x5173;&#x952E;&#x5B57;&#x7528;&#x6765;&#x58F0;&#x660E;<code>enum</code>&#x7684;&#x65F6;&#x5019;&#x91C7;&#x7528;&#xFF0C;&#x5B83;&#x9ED8;&#x8BA4;&#x5F00;&#x59CB;&#x503C;&#x662F;0&#xFF0C;const&#x4E2D;&#x6BCF;&#x589E;&#x52A0;&#x4E00;&#x884C;&#x52A0;1&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">package</span> main

<span class="hljs-keyword">import</span> (
    <span class="hljs-string">&quot;fmt&quot;</span>
)

<span class="hljs-keyword">const</span> (
    x = <span class="hljs-literal">iota</span> <span class="hljs-comment">// x == 0</span>
    y = <span class="hljs-literal">iota</span> <span class="hljs-comment">// y == 1</span>
    z = <span class="hljs-literal">iota</span> <span class="hljs-comment">// z == 2</span>
    w        <span class="hljs-comment">// &#x5E38;&#x91CF;&#x58F0;&#x660E;&#x7701;&#x7565;&#x503C;&#x65F6;&#xFF0C;&#x9ED8;&#x8BA4;&#x548C;&#x4E4B;&#x524D;&#x4E00;&#x4E2A;&#x503C;&#x7684;&#x5B57;&#x9762;&#x76F8;&#x540C;&#x3002;&#x8FD9;&#x91CC;&#x9690;&#x5F0F;&#x5730;&#x8BF4;w = iota&#xFF0C;&#x56E0;&#x6B64;w == 3&#x3002;&#x5176;&#x5B9E;&#x4E0A;&#x9762;y&#x548C;z&#x53EF;&#x540C;&#x6837;&#x4E0D;&#x7528;&quot;= iota&quot;</span>
)

<span class="hljs-keyword">const</span> v = <span class="hljs-literal">iota</span> <span class="hljs-comment">// &#x6BCF;&#x9047;&#x5230;&#x4E00;&#x4E2A;const&#x5173;&#x952E;&#x5B57;&#xFF0C;iota&#x5C31;&#x4F1A;&#x91CD;&#x7F6E;&#xFF0C;&#x6B64;&#x65F6;v == 0</span>

<span class="hljs-keyword">const</span> (
    h, i, j = <span class="hljs-literal">iota</span>, <span class="hljs-literal">iota</span>, <span class="hljs-literal">iota</span> <span class="hljs-comment">//h=0,i=0,j=0 iota&#x5728;&#x540C;&#x4E00;&#x884C;&#x503C;&#x76F8;&#x540C;</span>
)

<span class="hljs-keyword">const</span> (
    a       = <span class="hljs-literal">iota</span> <span class="hljs-comment">//a=0</span>
    b       = <span class="hljs-string">&quot;B&quot;</span>
    c       = <span class="hljs-literal">iota</span>             <span class="hljs-comment">//c=2</span>
    d, e, f = <span class="hljs-literal">iota</span>, <span class="hljs-literal">iota</span>, <span class="hljs-literal">iota</span> <span class="hljs-comment">//d=3,e=3,f=3</span>
    g       = <span class="hljs-literal">iota</span>             <span class="hljs-comment">//g = 4</span>
)

<span class="hljs-keyword">func</span> main() {
    fmt.Println(a, b, c, d, e, f, g, h, i, j, x, y, z, w, v)
}
</code></pre>
<blockquote>
<p>&#x9664;&#x975E;&#x88AB;&#x663E;&#x5F0F;&#x8BBE;&#x7F6E;&#x4E3A;&#x5176;&#x5B83;&#x503C;&#x6216;<code>iota</code>&#xFF0C;&#x6BCF;&#x4E2A;<code>const</code>&#x5206;&#x7EC4;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x5E38;&#x91CF;&#x88AB;&#x9ED8;&#x8BA4;&#x8BBE;&#x7F6E;&#x4E3A;&#x5B83;&#x7684;0&#x503C;&#xFF0C;&#x7B2C;&#x4E8C;&#x53CA;&#x540E;&#x7EED;&#x7684;&#x5E38;&#x91CF;&#x88AB;&#x9ED8;&#x8BA4;&#x8BBE;&#x7F6E;&#x4E3A;&#x5B83;&#x524D;&#x9762;&#x90A3;&#x4E2A;&#x5E38;&#x91CF;&#x7684;&#x503C;&#xFF0C;&#x5982;&#x679C;&#x524D;&#x9762;&#x90A3;&#x4E2A;&#x5E38;&#x91CF;&#x7684;&#x503C;&#x662F;<code>iota</code>&#xFF0C;&#x5219;&#x5B83;&#x4E5F;&#x88AB;&#x8BBE;&#x7F6E;&#x4E3A;<code>iota</code>&#x3002;</p>
</blockquote>
<h3 id="go&#x7A0B;&#x5E8F;&#x8BBE;&#x8BA1;&#x7684;&#x4E00;&#x4E9B;&#x89C4;&#x5219;">Go&#x7A0B;&#x5E8F;&#x8BBE;&#x8BA1;&#x7684;&#x4E00;&#x4E9B;&#x89C4;&#x5219;</h3>
<p>Go&#x4E4B;&#x6240;&#x4EE5;&#x4F1A;&#x90A3;&#x4E48;&#x7B80;&#x6D01;&#xFF0C;&#x662F;&#x56E0;&#x4E3A;&#x5B83;&#x6709;&#x4E00;&#x4E9B;&#x9ED8;&#x8BA4;&#x7684;&#x884C;&#x4E3A;&#xFF1A;</p>
<ul>
<li>&#x5927;&#x5199;&#x5B57;&#x6BCD;&#x5F00;&#x5934;&#x7684;&#x53D8;&#x91CF;&#x662F;&#x53EF;&#x5BFC;&#x51FA;&#x7684;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x5176;&#x5B83;&#x5305;&#x53EF;&#x4EE5;&#x8BFB;&#x53D6;&#x7684;&#xFF0C;&#x662F;&#x516C;&#x6709;&#x53D8;&#x91CF;&#xFF1B;&#x5C0F;&#x5199;&#x5B57;&#x6BCD;&#x5F00;&#x5934;&#x7684;&#x5C31;&#x662F;&#x4E0D;&#x53EF;&#x5BFC;&#x51FA;&#x7684;&#xFF0C;&#x662F;&#x79C1;&#x6709;&#x53D8;&#x91CF;&#x3002;</li>
<li>&#x5927;&#x5199;&#x5B57;&#x6BCD;&#x5F00;&#x5934;&#x7684;&#x51FD;&#x6570;&#x4E5F;&#x662F;&#x4E00;&#x6837;&#xFF0C;&#x76F8;&#x5F53;&#x4E8E;<code>class</code>&#x4E2D;&#x7684;&#x5E26;<code>public</code>&#x5173;&#x952E;&#x8BCD;&#x7684;&#x516C;&#x6709;&#x51FD;&#x6570;&#xFF1B;&#x5C0F;&#x5199;&#x5B57;&#x6BCD;&#x5F00;&#x5934;&#x7684;&#x5C31;&#x662F;&#x6709;<code>private</code>&#x5173;&#x952E;&#x8BCD;&#x7684;&#x79C1;&#x6709;&#x51FD;&#x6570;&#x3002;</li>
</ul>
<h2 id="array&#x3001;slice&#x3001;map">array&#x3001;slice&#x3001;map</h2>
<h3 id="array">array</h3>
<p><code>array</code>&#x5C31;&#x662F;&#x6570;&#x7EC4;&#xFF0C;&#x5B83;&#x7684;&#x5B9A;&#x4E49;&#x65B9;&#x5F0F;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">var</span> arr [n]<span class="hljs-keyword">type</span>
</code></pre>
<p>&#x5728;<code>[n]type</code>&#x4E2D;&#xFF0C;<code>n</code>&#x8868;&#x793A;&#x6570;&#x7EC4;&#x7684;&#x957F;&#x5EA6;&#xFF0C;<code>type</code>&#x8868;&#x793A;&#x5B58;&#x50A8;&#x5143;&#x7D20;&#x7684;&#x7C7B;&#x578B;&#x3002;&#x5BF9;&#x6570;&#x7EC4;&#x7684;&#x64CD;&#x4F5C;&#x548C;&#x5176;&#x5B83;&#x8BED;&#x8A00;&#x7C7B;&#x4F3C;&#xFF0C;&#x90FD;&#x662F;&#x901A;&#x8FC7;<code>[]</code>&#x6765;&#x8FDB;&#x884C;&#x8BFB;&#x53D6;&#x6216;&#x8D4B;&#x503C;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">var</span> arr [<span class="hljs-number">10</span>]<span class="hljs-keyword">int</span>  <span class="hljs-comment">// &#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;int&#x7C7B;&#x578B;&#x7684;&#x6570;&#x7EC4;</span>
arr[<span class="hljs-number">0</span>] = <span class="hljs-number">42</span>      <span class="hljs-comment">// &#x6570;&#x7EC4;&#x4E0B;&#x6807;&#x662F;&#x4ECE;0&#x5F00;&#x59CB;&#x7684;</span>
arr[<span class="hljs-number">1</span>] = <span class="hljs-number">13</span>      <span class="hljs-comment">// &#x8D4B;&#x503C;&#x64CD;&#x4F5C;</span>
fmt.Printf(<span class="hljs-string">&quot;The first element is %d\n&quot;</span>, arr[<span class="hljs-number">0</span>])  <span class="hljs-comment">// &#x83B7;&#x53D6;&#x6570;&#x636E;&#xFF0C;&#x8FD4;&#x56DE;42</span>
fmt.Printf(<span class="hljs-string">&quot;The last element is %d\n&quot;</span>, arr[<span class="hljs-number">9</span>]) <span class="hljs-comment">//&#x8FD4;&#x56DE;&#x672A;&#x8D4B;&#x503C;&#x7684;&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#xFF0C;&#x9ED8;&#x8BA4;&#x8FD4;&#x56DE;0</span>
</code></pre>
<p>&#x7531;&#x4E8E;&#x957F;&#x5EA6;&#x4E5F;&#x662F;&#x6570;&#x7EC4;&#x7C7B;&#x578B;&#x7684;&#x4E00;&#x90E8;&#x5206;&#xFF0C;&#x56E0;&#x6B64;<code>[3]int</code>&#x4E0E;<code>[4]int</code>&#x662F;&#x4E0D;&#x540C;&#x7684;&#x7C7B;&#x578B;&#xFF0C;&#x6570;&#x7EC4;&#x4E5F;&#x5C31;&#x4E0D;&#x80FD;&#x6539;&#x53D8;&#x957F;&#x5EA6;&#x3002;&#x6570;&#x7EC4;&#x4E4B;&#x95F4;&#x7684;&#x8D4B;&#x503C;&#x662F;&#x503C;&#x7684;&#x8D4B;&#x503C;&#xFF0C;&#x5373;&#x5F53;&#x628A;&#x4E00;&#x4E2A;&#x6570;&#x7EC4;&#x4F5C;&#x4E3A;&#x53C2;&#x6570;&#x4F20;&#x5165;&#x51FD;&#x6570;&#x7684;&#x65F6;&#x5019;&#xFF0C;&#x4F20;&#x5165;&#x7684;&#x5176;&#x5B9E;&#x662F;&#x8BE5;&#x6570;&#x7EC4;&#x7684;&#x526F;&#x672C;&#xFF0C;&#x800C;&#x4E0D;&#x662F;&#x5B83;&#x7684;&#x6307;&#x9488;&#x3002;&#x5982;&#x679C;&#x8981;&#x4F7F;&#x7528;&#x6307;&#x9488;&#xFF0C;&#x90A3;&#x4E48;&#x5C31;&#x9700;&#x8981;&#x7528;&#x5230;&#x540E;&#x9762;&#x4ECB;&#x7ECD;&#x7684;<code>slice</code>&#x7C7B;&#x578B;&#x4E86;&#x3002;</p>
<p>&#x6570;&#x7EC4;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x53E6;&#x4E00;&#x79CD;<code>:=</code>&#x6765;&#x58F0;&#x660E;</p>
<pre><code class="lang-Go">
a := [<span class="hljs-number">3</span>]<span class="hljs-keyword">int</span>{<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>} <span class="hljs-comment">// &#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;&#x957F;&#x5EA6;&#x4E3A;3&#x7684;int&#x6570;&#x7EC4;</span>

b := [<span class="hljs-number">10</span>]<span class="hljs-keyword">int</span>{<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>} <span class="hljs-comment">// &#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;&#x957F;&#x5EA6;&#x4E3A;10&#x7684;int&#x6570;&#x7EC4;&#xFF0C;&#x5176;&#x4E2D;&#x524D;&#x4E09;&#x4E2A;&#x5143;&#x7D20;&#x521D;&#x59CB;&#x5316;&#x4E3A;1&#x3001;2&#x3001;3&#xFF0C;&#x5176;&#x5B83;&#x9ED8;&#x8BA4;&#x4E3A;0</span>

c := [...]<span class="hljs-keyword">int</span>{<span class="hljs-number">4</span>, <span class="hljs-number">5</span>, <span class="hljs-number">6</span>} <span class="hljs-comment">// &#x53EF;&#x4EE5;&#x7701;&#x7565;&#x957F;&#x5EA6;&#x800C;&#x91C7;&#x7528;`...`&#x7684;&#x65B9;&#x5F0F;&#xFF0C;Go&#x4F1A;&#x81EA;&#x52A8;&#x6839;&#x636E;&#x5143;&#x7D20;&#x4E2A;&#x6570;&#x6765;&#x8BA1;&#x7B97;&#x957F;&#x5EA6;</span>
</code></pre>
<p>&#x4E5F;&#x8BB8;&#x4F60;&#x4F1A;&#x8BF4;&#xFF0C;&#x6211;&#x60F3;&#x6570;&#x7EC4;&#x91CC;&#x9762;&#x7684;&#x503C;&#x8FD8;&#x662F;&#x6570;&#x7EC4;&#xFF0C;&#x80FD;&#x5B9E;&#x73B0;&#x5417;&#xFF1F;&#x5F53;&#x7136;&#x54AF;&#xFF0C;Go&#x652F;&#x6301;&#x5D4C;&#x5957;&#x6570;&#x7EC4;&#xFF0C;&#x5373;&#x591A;&#x7EF4;&#x6570;&#x7EC4;&#x3002;&#x6BD4;&#x5982;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x5C31;&#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;&#x4E8C;&#x7EF4;&#x6570;&#x7EC4;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E86;&#x4E00;&#x4E2A;&#x4E8C;&#x7EF4;&#x6570;&#x7EC4;&#xFF0C;&#x8BE5;&#x6570;&#x7EC4;&#x4EE5;&#x4E24;&#x4E2A;&#x6570;&#x7EC4;&#x4F5C;&#x4E3A;&#x5143;&#x7D20;&#xFF0C;&#x5176;&#x4E2D;&#x6BCF;&#x4E2A;&#x6570;&#x7EC4;&#x4E2D;&#x53C8;&#x6709;4&#x4E2A;int&#x7C7B;&#x578B;&#x7684;&#x5143;&#x7D20;</span>
doubleArray := [<span class="hljs-number">2</span>][<span class="hljs-number">4</span>]<span class="hljs-keyword">int</span>{[<span class="hljs-number">4</span>]<span class="hljs-keyword">int</span>{<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>, <span class="hljs-number">4</span>}, [<span class="hljs-number">4</span>]<span class="hljs-keyword">int</span>{<span class="hljs-number">5</span>, <span class="hljs-number">6</span>, <span class="hljs-number">7</span>, <span class="hljs-number">8</span>}}

<span class="hljs-comment">// &#x4E0A;&#x9762;&#x7684;&#x58F0;&#x660E;&#x53EF;&#x4EE5;&#x7B80;&#x5316;&#xFF0C;&#x76F4;&#x63A5;&#x5FFD;&#x7565;&#x5185;&#x90E8;&#x7684;&#x7C7B;&#x578B;</span>
easyArray := [<span class="hljs-number">2</span>][<span class="hljs-number">4</span>]<span class="hljs-keyword">int</span>{{<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>, <span class="hljs-number">4</span>}, {<span class="hljs-number">5</span>, <span class="hljs-number">6</span>, <span class="hljs-number">7</span>, <span class="hljs-number">8</span>}}
</code></pre>
<p>&#x6570;&#x7EC4;&#x7684;&#x5206;&#x914D;&#x5982;&#x4E0B;&#x6240;&#x793A;&#xFF1A;</p>
<p><img src="images/2.2.array.png?raw=true" alt=""></p>
<p>&#x56FE;2.2 &#x591A;&#x7EF4;&#x6570;&#x7EC4;&#x7684;&#x6620;&#x5C04;&#x5173;&#x7CFB;</p>
<h3 id="slice">slice</h3>
<p>&#x5728;&#x5F88;&#x591A;&#x5E94;&#x7528;&#x573A;&#x666F;&#x4E2D;&#xFF0C;&#x6570;&#x7EC4;&#x5E76;&#x4E0D;&#x80FD;&#x6EE1;&#x8DB3;&#x6211;&#x4EEC;&#x7684;&#x9700;&#x6C42;&#x3002;&#x5728;&#x521D;&#x59CB;&#x5B9A;&#x4E49;&#x6570;&#x7EC4;&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x5E76;&#x4E0D;&#x77E5;&#x9053;&#x9700;&#x8981;&#x591A;&#x5927;&#x7684;&#x6570;&#x7EC4;&#xFF0C;&#x56E0;&#x6B64;&#x6211;&#x4EEC;&#x5C31;&#x9700;&#x8981;&#x201C;&#x52A8;&#x6001;&#x6570;&#x7EC4;&#x201D;&#x3002;&#x5728;Go&#x91CC;&#x9762;&#x8FD9;&#x79CD;&#x6570;&#x636E;&#x7ED3;&#x6784;&#x53EB;<code>slice</code></p>
<p><code>slice</code>&#x5E76;&#x4E0D;&#x662F;&#x771F;&#x6B63;&#x610F;&#x4E49;&#x4E0A;&#x7684;&#x52A8;&#x6001;&#x6570;&#x7EC4;&#xFF0C;&#x800C;&#x662F;&#x4E00;&#x4E2A;&#x5F15;&#x7528;&#x7C7B;&#x578B;&#x3002;<code>slice</code>&#x603B;&#x662F;&#x6307;&#x5411;&#x4E00;&#x4E2A;&#x5E95;&#x5C42;<code>array</code>&#xFF0C;<code>slice</code>&#x7684;&#x58F0;&#x660E;&#x4E5F;&#x53EF;&#x4EE5;&#x50CF;<code>array</code>&#x4E00;&#x6837;&#xFF0C;&#x53EA;&#x662F;&#x4E0D;&#x9700;&#x8981;&#x957F;&#x5EA6;&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x548C;&#x58F0;&#x660E;array&#x4E00;&#x6837;&#xFF0C;&#x53EA;&#x662F;&#x5C11;&#x4E86;&#x957F;&#x5EA6;</span>
<span class="hljs-keyword">var</span> fslice []<span class="hljs-keyword">int</span>
</code></pre>
<p>&#x63A5;&#x4E0B;&#x6765;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x58F0;&#x660E;&#x4E00;&#x4E2A;<code>slice</code>&#xFF0C;&#x5E76;&#x521D;&#x59CB;&#x5316;&#x6570;&#x636E;&#xFF0C;&#x5982;&#x4E0B;&#x6240;&#x793A;&#xFF1A;</p>
<pre><code class="lang-Go">
slice := []<span class="hljs-keyword">byte</span> {<span class="hljs-string">&apos;a&apos;</span>, <span class="hljs-string">&apos;b&apos;</span>, <span class="hljs-string">&apos;c&apos;</span>, <span class="hljs-string">&apos;d&apos;</span>}
</code></pre>
<p><code>slice</code>&#x53EF;&#x4EE5;&#x4ECE;&#x4E00;&#x4E2A;&#x6570;&#x7EC4;&#x6216;&#x4E00;&#x4E2A;&#x5DF2;&#x7ECF;&#x5B58;&#x5728;&#x7684;<code>slice</code>&#x4E2D;&#x518D;&#x6B21;&#x58F0;&#x660E;&#x3002;<code>slice</code>&#x901A;&#x8FC7;<code>array[i:j]</code>&#x6765;&#x83B7;&#x53D6;&#xFF0C;&#x5176;&#x4E2D;<code>i</code>&#x662F;&#x6570;&#x7EC4;&#x7684;&#x5F00;&#x59CB;&#x4F4D;&#x7F6E;&#xFF0C;<code>j</code>&#x662F;&#x7ED3;&#x675F;&#x4F4D;&#x7F6E;&#xFF0C;&#x4F46;&#x4E0D;&#x5305;&#x542B;<code>array[j]</code>&#xFF0C;&#x5B83;&#x7684;&#x957F;&#x5EA6;&#x662F;<code>j-i</code>&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E00;&#x4E2A;&#x542B;&#x6709;10&#x4E2A;&#x5143;&#x7D20;&#x5143;&#x7D20;&#x7C7B;&#x578B;&#x4E3A;byte&#x7684;&#x6570;&#x7EC4;</span>
<span class="hljs-keyword">var</span> ar = [<span class="hljs-number">10</span>]<span class="hljs-keyword">byte</span> {<span class="hljs-string">&apos;a&apos;</span>, <span class="hljs-string">&apos;b&apos;</span>, <span class="hljs-string">&apos;c&apos;</span>, <span class="hljs-string">&apos;d&apos;</span>, <span class="hljs-string">&apos;e&apos;</span>, <span class="hljs-string">&apos;f&apos;</span>, <span class="hljs-string">&apos;g&apos;</span>, <span class="hljs-string">&apos;h&apos;</span>, <span class="hljs-string">&apos;i&apos;</span>, <span class="hljs-string">&apos;j&apos;</span>}

<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E24;&#x4E2A;&#x542B;&#x6709;byte&#x7684;slice</span>
<span class="hljs-keyword">var</span> a, b []<span class="hljs-keyword">byte</span>

<span class="hljs-comment">// a&#x6307;&#x5411;&#x6570;&#x7EC4;&#x7684;&#x7B2C;3&#x4E2A;&#x5143;&#x7D20;&#x5F00;&#x59CB;&#xFF0C;&#x5E76;&#x5230;&#x7B2C;&#x4E94;&#x4E2A;&#x5143;&#x7D20;&#x7ED3;&#x675F;&#xFF0C;</span>
a = ar[<span class="hljs-number">2</span>:<span class="hljs-number">5</span>]
<span class="hljs-comment">//&#x73B0;&#x5728;a&#x542B;&#x6709;&#x7684;&#x5143;&#x7D20;: ar[2]&#x3001;ar[3]&#x548C;ar[4]</span>

<span class="hljs-comment">// b&#x662F;&#x6570;&#x7EC4;ar&#x7684;&#x53E6;&#x4E00;&#x4E2A;slice</span>
b = ar[<span class="hljs-number">3</span>:<span class="hljs-number">5</span>]
<span class="hljs-comment">// b&#x7684;&#x5143;&#x7D20;&#x662F;&#xFF1A;ar[3]&#x548C;ar[4]</span>
</code></pre>
<blockquote>
<p>&#x6CE8;&#x610F;<code>slice</code>&#x548C;&#x6570;&#x7EC4;&#x5728;&#x58F0;&#x660E;&#x65F6;&#x7684;&#x533A;&#x522B;&#xFF1A;&#x58F0;&#x660E;&#x6570;&#x7EC4;&#x65F6;&#xFF0C;&#x65B9;&#x62EC;&#x53F7;&#x5185;&#x5199;&#x660E;&#x4E86;&#x6570;&#x7EC4;&#x7684;&#x957F;&#x5EA6;&#x6216;&#x4F7F;&#x7528;<code>...</code>&#x81EA;&#x52A8;&#x8BA1;&#x7B97;&#x957F;&#x5EA6;&#xFF0C;&#x800C;&#x58F0;&#x660E;<code>slice</code>&#x65F6;&#xFF0C;&#x65B9;&#x62EC;&#x53F7;&#x5185;&#x6CA1;&#x6709;&#x4EFB;&#x4F55;&#x5B57;&#x7B26;&#x3002;</p>
</blockquote>
<p>&#x5B83;&#x4EEC;&#x7684;&#x6570;&#x636E;&#x7ED3;&#x6784;&#x5982;&#x4E0B;&#x6240;&#x793A;</p>
<p><img src="images/2.2.slice.png?raw=true" alt=""></p>
<p>&#x56FE;2.3 slice&#x548C;array&#x7684;&#x5BF9;&#x5E94;&#x5173;&#x7CFB;&#x56FE;</p>
<p>slice&#x6709;&#x4E00;&#x4E9B;&#x7B80;&#x4FBF;&#x7684;&#x64CD;&#x4F5C;</p>
<ul>
<li><code>slice</code>&#x7684;&#x9ED8;&#x8BA4;&#x5F00;&#x59CB;&#x4F4D;&#x7F6E;&#x662F;0&#xFF0C;<code>ar[:n]</code>&#x7B49;&#x4EF7;&#x4E8E;<code>ar[0:n]</code></li>
<li><code>slice</code>&#x7684;&#x7B2C;&#x4E8C;&#x4E2A;&#x5E8F;&#x5217;&#x9ED8;&#x8BA4;&#x662F;&#x6570;&#x7EC4;&#x7684;&#x957F;&#x5EA6;&#xFF0C;<code>ar[n:]</code>&#x7B49;&#x4EF7;&#x4E8E;<code>ar[n:len(ar)]</code></li>
<li>&#x5982;&#x679C;&#x4ECE;&#x4E00;&#x4E2A;&#x6570;&#x7EC4;&#x91CC;&#x9762;&#x76F4;&#x63A5;&#x83B7;&#x53D6;<code>slice</code>&#xFF0C;&#x53EF;&#x4EE5;&#x8FD9;&#x6837;<code>ar[:]</code>&#xFF0C;&#x56E0;&#x4E3A;&#x9ED8;&#x8BA4;&#x7B2C;&#x4E00;&#x4E2A;&#x5E8F;&#x5217;&#x662F;0&#xFF0C;&#x7B2C;&#x4E8C;&#x4E2A;&#x662F;&#x6570;&#x7EC4;&#x7684;&#x957F;&#x5EA6;&#xFF0C;&#x5373;&#x7B49;&#x4EF7;&#x4E8E;<code>ar[0:len(ar)]</code></li>
</ul>
<p>&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x5C55;&#x793A;&#x4E86;&#x66F4;&#x591A;&#x5173;&#x4E8E;<code>slice</code>&#x7684;&#x64CD;&#x4F5C;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E00;&#x4E2A;&#x6570;&#x7EC4;</span>
<span class="hljs-keyword">var</span> array = [<span class="hljs-number">10</span>]<span class="hljs-keyword">byte</span>{<span class="hljs-string">&apos;a&apos;</span>, <span class="hljs-string">&apos;b&apos;</span>, <span class="hljs-string">&apos;c&apos;</span>, <span class="hljs-string">&apos;d&apos;</span>, <span class="hljs-string">&apos;e&apos;</span>, <span class="hljs-string">&apos;f&apos;</span>, <span class="hljs-string">&apos;g&apos;</span>, <span class="hljs-string">&apos;h&apos;</span>, <span class="hljs-string">&apos;i&apos;</span>, <span class="hljs-string">&apos;j&apos;</span>}
<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E24;&#x4E2A;slice</span>
<span class="hljs-keyword">var</span> aSlice, bSlice []<span class="hljs-keyword">byte</span>

<span class="hljs-comment">// &#x6F14;&#x793A;&#x4E00;&#x4E9B;&#x7B80;&#x4FBF;&#x64CD;&#x4F5C;</span>
aSlice = array[:<span class="hljs-number">3</span>] <span class="hljs-comment">// &#x7B49;&#x4EF7;&#x4E8E;aSlice = array[0:3] aSlice&#x5305;&#x542B;&#x5143;&#x7D20;: a,b,c</span>
aSlice = array[<span class="hljs-number">5</span>:] <span class="hljs-comment">// &#x7B49;&#x4EF7;&#x4E8E;aSlice = array[5:10] aSlice&#x5305;&#x542B;&#x5143;&#x7D20;: f,g,h,i,j</span>
aSlice = array[:]  <span class="hljs-comment">// &#x7B49;&#x4EF7;&#x4E8E;aSlice = array[0:10] &#x8FD9;&#x6837;aSlice&#x5305;&#x542B;&#x4E86;&#x5168;&#x90E8;&#x7684;&#x5143;&#x7D20;</span>

<span class="hljs-comment">// &#x4ECE;slice&#x4E2D;&#x83B7;&#x53D6;slice</span>
aSlice = array[<span class="hljs-number">3</span>:<span class="hljs-number">7</span>]  <span class="hljs-comment">// aSlice&#x5305;&#x542B;&#x5143;&#x7D20;: d,e,f,g&#xFF0C;len=4&#xFF0C;cap=7</span>
bSlice = aSlice[<span class="hljs-number">1</span>:<span class="hljs-number">3</span>] <span class="hljs-comment">// bSlice &#x5305;&#x542B;aSlice[1], aSlice[2] &#x4E5F;&#x5C31;&#x662F;&#x542B;&#x6709;: e,f</span>
bSlice = aSlice[:<span class="hljs-number">3</span>]  <span class="hljs-comment">// bSlice &#x5305;&#x542B; aSlice[0], aSlice[1], aSlice[2] &#x4E5F;&#x5C31;&#x662F;&#x542B;&#x6709;: d,e,f</span>
bSlice = aSlice[<span class="hljs-number">0</span>:<span class="hljs-number">5</span>] <span class="hljs-comment">// &#x5BF9;slice&#x7684;slice&#x53EF;&#x4EE5;&#x5728;cap&#x8303;&#x56F4;&#x5185;&#x6269;&#x5C55;&#xFF0C;&#x6B64;&#x65F6;bSlice&#x5305;&#x542B;&#xFF1A;d,e,f,g,h</span>
bSlice = aSlice[:]   <span class="hljs-comment">// bSlice&#x5305;&#x542B;&#x6240;&#x6709;aSlice&#x7684;&#x5143;&#x7D20;: d,e,f,g</span>
</code></pre>
<p><code>slice</code>&#x662F;&#x5F15;&#x7528;&#x7C7B;&#x578B;&#xFF0C;&#x6240;&#x4EE5;&#x5F53;&#x5F15;&#x7528;&#x6539;&#x53D8;&#x5176;&#x4E2D;&#x5143;&#x7D20;&#x7684;&#x503C;&#x65F6;&#xFF0C;&#x5176;&#x5B83;&#x7684;&#x6240;&#x6709;&#x5F15;&#x7528;&#x90FD;&#x4F1A;&#x6539;&#x53D8;&#x8BE5;&#x503C;&#xFF0C;&#x4F8B;&#x5982;&#x4E0A;&#x9762;&#x7684;<code>aSlice</code>&#x548C;<code>bSlice</code>&#xFF0C;&#x5982;&#x679C;&#x4FEE;&#x6539;&#x4E86;<code>aSlice</code>&#x4E2D;&#x5143;&#x7D20;&#x7684;&#x503C;&#xFF0C;&#x90A3;&#x4E48;<code>bSlice</code>&#x76F8;&#x5BF9;&#x5E94;&#x7684;&#x503C;&#x4E5F;&#x4F1A;&#x6539;&#x53D8;&#x3002;</p>
<p>&#x4ECE;&#x6982;&#x5FF5;&#x4E0A;&#x9762;&#x6765;&#x8BF4;<code>slice</code>&#x50CF;&#x4E00;&#x4E2A;&#x7ED3;&#x6784;&#x4F53;&#xFF0C;&#x8FD9;&#x4E2A;&#x7ED3;&#x6784;&#x4F53;&#x5305;&#x542B;&#x4E86;&#x4E09;&#x4E2A;&#x5143;&#x7D20;&#xFF1A;</p>
<ul>
<li>&#x4E00;&#x4E2A;&#x6307;&#x9488;&#xFF0C;&#x6307;&#x5411;&#x6570;&#x7EC4;&#x4E2D;<code>slice</code>&#x6307;&#x5B9A;&#x7684;&#x5F00;&#x59CB;&#x4F4D;&#x7F6E;</li>
<li>&#x957F;&#x5EA6;&#xFF0C;&#x5373;<code>slice</code>&#x7684;&#x957F;&#x5EA6;</li>
<li><p>&#x6700;&#x5927;&#x957F;&#x5EA6;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;<code>slice</code>&#x5F00;&#x59CB;&#x4F4D;&#x7F6E;&#x5230;&#x6570;&#x7EC4;&#x7684;&#x6700;&#x540E;&#x4F4D;&#x7F6E;&#x7684;&#x957F;&#x5EA6;</p>
<pre><code class="lang-Go">
  Array_a := [<span class="hljs-number">10</span>]<span class="hljs-keyword">byte</span>{<span class="hljs-string">&apos;a&apos;</span>, <span class="hljs-string">&apos;b&apos;</span>, <span class="hljs-string">&apos;c&apos;</span>, <span class="hljs-string">&apos;d&apos;</span>, <span class="hljs-string">&apos;e&apos;</span>, <span class="hljs-string">&apos;f&apos;</span>, <span class="hljs-string">&apos;g&apos;</span>, <span class="hljs-string">&apos;h&apos;</span>, <span class="hljs-string">&apos;i&apos;</span>, <span class="hljs-string">&apos;j&apos;</span>}
  Slice_a := Array_a[<span class="hljs-number">2</span>:<span class="hljs-number">5</span>]
</code></pre>
<p>&#x4E0A;&#x9762;&#x4EE3;&#x7801;&#x7684;&#x771F;&#x6B63;&#x5B58;&#x50A8;&#x7ED3;&#x6784;&#x5982;&#x4E0B;&#x56FE;&#x6240;&#x793A;</p>
</li>
</ul>
<p><img src="images/2.2.slice2.png?raw=true" alt=""></p>
<p>&#x56FE;2.4 slice&#x5BF9;&#x5E94;&#x6570;&#x7EC4;&#x7684;&#x4FE1;&#x606F;</p>
<p>&#x5BF9;&#x4E8E;<code>slice</code>&#x6709;&#x51E0;&#x4E2A;&#x6709;&#x7528;&#x7684;&#x5185;&#x7F6E;&#x51FD;&#x6570;&#xFF1A;</p>
<ul>
<li><code>len</code>    &#x83B7;&#x53D6;<code>slice</code>&#x7684;&#x957F;&#x5EA6;</li>
<li><code>cap</code>    &#x83B7;&#x53D6;<code>slice</code>&#x7684;&#x6700;&#x5927;&#x5BB9;&#x91CF;</li>
<li><code>append</code> &#x5411;<code>slice</code>&#x91CC;&#x9762;&#x8FFD;&#x52A0;&#x4E00;&#x4E2A;&#x6216;&#x8005;&#x591A;&#x4E2A;&#x5143;&#x7D20;&#xFF0C;&#x7136;&#x540E;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x548C;<code>slice</code>&#x4E00;&#x6837;&#x7C7B;&#x578B;&#x7684;<code>slice</code></li>
<li><code>copy</code>   &#x51FD;&#x6570;<code>copy</code>&#x4ECE;&#x6E90;<code>slice</code>&#x7684;<code>src</code>&#x4E2D;&#x590D;&#x5236;&#x5143;&#x7D20;&#x5230;&#x76EE;&#x6807;<code>dst</code>&#xFF0C;&#x5E76;&#x4E14;&#x8FD4;&#x56DE;&#x590D;&#x5236;&#x7684;&#x5143;&#x7D20;&#x7684;&#x4E2A;&#x6570;</li>
</ul>
<p>&#x6CE8;&#xFF1A;<code>append</code>&#x51FD;&#x6570;&#x4F1A;&#x6539;&#x53D8;<code>slice</code>&#x6240;&#x5F15;&#x7528;&#x7684;&#x6570;&#x7EC4;&#x7684;&#x5185;&#x5BB9;&#xFF0C;&#x4ECE;&#x800C;&#x5F71;&#x54CD;&#x5230;&#x5F15;&#x7528;&#x540C;&#x4E00;&#x6570;&#x7EC4;&#x7684;&#x5176;&#x5B83;<code>slice</code>&#x3002;
&#x4F46;&#x5F53;<code>slice</code>&#x4E2D;&#x6CA1;&#x6709;&#x5269;&#x4F59;&#x7A7A;&#x95F4;&#xFF08;&#x5373;<code>(cap-len) == 0</code>&#xFF09;&#x65F6;&#xFF0C;&#x6B64;&#x65F6;&#x5C06;&#x52A8;&#x6001;&#x5206;&#x914D;&#x65B0;&#x7684;&#x6570;&#x7EC4;&#x7A7A;&#x95F4;&#x3002;&#x8FD4;&#x56DE;&#x7684;<code>slice</code>&#x6570;&#x7EC4;&#x6307;&#x9488;&#x5C06;&#x6307;&#x5411;&#x8FD9;&#x4E2A;&#x7A7A;&#x95F4;&#xFF0C;&#x800C;&#x539F;&#x6570;&#x7EC4;&#x7684;&#x5185;&#x5BB9;&#x5C06;&#x4FDD;&#x6301;&#x4E0D;&#x53D8;&#xFF1B;&#x5176;&#x5B83;&#x5F15;&#x7528;&#x6B64;&#x6570;&#x7EC4;&#x7684;<code>slice</code>&#x5219;&#x4E0D;&#x53D7;&#x5F71;&#x54CD;&#x3002;</p>
<p>&#x4ECE;Go1.2&#x5F00;&#x59CB;slice&#x652F;&#x6301;&#x4E86;&#x4E09;&#x4E2A;&#x53C2;&#x6570;&#x7684;slice&#xFF0C;&#x4E4B;&#x524D;&#x6211;&#x4EEC;&#x4E00;&#x76F4;&#x91C7;&#x7528;&#x8FD9;&#x79CD;&#x65B9;&#x5F0F;&#x5728;slice&#x6216;&#x8005;array&#x57FA;&#x7840;&#x4E0A;&#x6765;&#x83B7;&#x53D6;&#x4E00;&#x4E2A;slice</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">var</span> array [<span class="hljs-number">10</span>]<span class="hljs-keyword">int</span>
slice := array[<span class="hljs-number">2</span>:<span class="hljs-number">4</span>]
</code></pre>
<p>&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x91CC;&#x9762;slice&#x7684;&#x5BB9;&#x91CF;&#x662F;8&#xFF0C;&#x65B0;&#x7248;&#x672C;&#x91CC;&#x9762;&#x53EF;&#x4EE5;&#x6307;&#x5B9A;&#x8FD9;&#x4E2A;&#x5BB9;&#x91CF;</p>
<pre><code>slice = array[2:4:7]
</code></pre><p>&#x4E0A;&#x9762;&#x8FD9;&#x4E2A;&#x7684;&#x5BB9;&#x91CF;&#x5C31;&#x662F;<code>7-2</code>&#xFF0C;&#x5373;5&#x3002;&#x8FD9;&#x6837;&#x8FD9;&#x4E2A;&#x4EA7;&#x751F;&#x7684;&#x65B0;&#x7684;slice&#x5C31;&#x6CA1;&#x529E;&#x6CD5;&#x8BBF;&#x95EE;&#x6700;&#x540E;&#x7684;&#x4E09;&#x4E2A;&#x5143;&#x7D20;&#x3002;</p>
<p>&#x5982;&#x679C;slice&#x662F;&#x8FD9;&#x6837;&#x7684;&#x5F62;&#x5F0F;<code>array[:i:j]</code>&#xFF0C;&#x5373;&#x7B2C;&#x4E00;&#x4E2A;&#x53C2;&#x6570;&#x4E3A;&#x7A7A;&#xFF0C;&#x9ED8;&#x8BA4;&#x503C;&#x5C31;&#x662F;0&#x3002;</p>
<h3 id="map">map</h3>
<p><code>map</code>&#x4E5F;&#x5C31;&#x662F;Python&#x4E2D;&#x5B57;&#x5178;&#x7684;&#x6982;&#x5FF5;&#xFF0C;&#x5B83;&#x7684;&#x683C;&#x5F0F;&#x4E3A;<code>map[keyType]valueType</code></p>
<p>&#x6211;&#x4EEC;&#x770B;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#xFF0C;<code>map</code>&#x7684;&#x8BFB;&#x53D6;&#x548C;&#x8BBE;&#x7F6E;&#x4E5F;&#x7C7B;&#x4F3C;<code>slice</code>&#x4E00;&#x6837;&#xFF0C;&#x901A;&#x8FC7;<code>key</code>&#x6765;&#x64CD;&#x4F5C;&#xFF0C;&#x53EA;&#x662F;<code>slice</code>&#x7684;<code>index</code>&#x53EA;&#x80FD;&#x662F;&#xFF40;int&#xFF40;&#x7C7B;&#x578B;&#xFF0C;&#x800C;<code>map</code>&#x591A;&#x4E86;&#x5F88;&#x591A;&#x7C7B;&#x578B;&#xFF0C;&#x53EF;&#x4EE5;&#x662F;<code>int</code>&#xFF0C;&#x53EF;&#x4EE5;&#x662F;<code>string</code>&#x53CA;&#x6240;&#x6709;&#x5B8C;&#x5168;&#x5B9A;&#x4E49;&#x4E86;<code>==</code>&#x4E0E;<code>!=</code>&#x64CD;&#x4F5C;&#x7684;&#x7C7B;&#x578B;&#x3002;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x58F0;&#x660E;&#x4E00;&#x4E2A;key&#x662F;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x503C;&#x4E3A;int&#x7684;&#x5B57;&#x5178;,&#x8FD9;&#x79CD;&#x65B9;&#x5F0F;&#x7684;&#x58F0;&#x660E;&#x9700;&#x8981;&#x5728;&#x4F7F;&#x7528;&#x4E4B;&#x524D;&#x4F7F;&#x7528;make&#x521D;&#x59CB;&#x5316;</span>
<span class="hljs-keyword">var</span> numbers <span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">int</span>
<span class="hljs-comment">// &#x53E6;&#x4E00;&#x79CD;map&#x7684;&#x58F0;&#x660E;&#x65B9;&#x5F0F;</span>
numbers = <span class="hljs-built_in">make</span>(<span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">int</span>)
numbers[<span class="hljs-string">&quot;one&quot;</span>] = <span class="hljs-number">1</span>  <span class="hljs-comment">//&#x8D4B;&#x503C;</span>
numbers[<span class="hljs-string">&quot;ten&quot;</span>] = <span class="hljs-number">10</span> <span class="hljs-comment">//&#x8D4B;&#x503C;</span>
numbers[<span class="hljs-string">&quot;three&quot;</span>] = <span class="hljs-number">3</span>

fmt.Println(<span class="hljs-string">&quot;&#x7B2C;&#x4E09;&#x4E2A;&#x6570;&#x5B57;&#x662F;: &quot;</span>, numbers[<span class="hljs-string">&quot;three&quot;</span>]) <span class="hljs-comment">// &#x8BFB;&#x53D6;&#x6570;&#x636E;</span>
<span class="hljs-comment">// &#x6253;&#x5370;&#x51FA;&#x6765;&#x5982;:&#x7B2C;&#x4E09;&#x4E2A;&#x6570;&#x5B57;&#x662F;: 3</span>
</code></pre>
<p>&#x8FD9;&#x4E2A;<code>map</code>&#x5C31;&#x50CF;&#x6211;&#x4EEC;&#x5E73;&#x5E38;&#x770B;&#x5230;&#x7684;&#x8868;&#x683C;&#x4E00;&#x6837;&#xFF0C;&#x5DE6;&#x8FB9;&#x5217;&#x662F;<code>key</code>&#xFF0C;&#x53F3;&#x8FB9;&#x5217;&#x662F;&#x503C;</p>
<p>&#x4F7F;&#x7528;map&#x8FC7;&#x7A0B;&#x4E2D;&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x51E0;&#x70B9;&#xFF1A;</p>
<ul>
<li><code>map</code>&#x662F;&#x65E0;&#x5E8F;&#x7684;&#xFF0C;&#x6BCF;&#x6B21;&#x6253;&#x5370;&#x51FA;&#x6765;&#x7684;<code>map</code>&#x90FD;&#x4F1A;&#x4E0D;&#x4E00;&#x6837;&#xFF0C;&#x5B83;&#x4E0D;&#x80FD;&#x901A;&#x8FC7;<code>index</code>&#x83B7;&#x53D6;&#xFF0C;&#x800C;&#x5FC5;&#x987B;&#x901A;&#x8FC7;<code>key</code>&#x83B7;&#x53D6;</li>
<li><code>map</code>&#x7684;&#x957F;&#x5EA6;&#x662F;&#x4E0D;&#x56FA;&#x5B9A;&#x7684;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x548C;<code>slice</code>&#x4E00;&#x6837;&#xFF0C;&#x4E5F;&#x662F;&#x4E00;&#x79CD;&#x5F15;&#x7528;&#x7C7B;&#x578B;</li>
<li>&#x5185;&#x7F6E;&#x7684;<code>len</code>&#x51FD;&#x6570;&#x540C;&#x6837;&#x9002;&#x7528;&#x4E8E;<code>map</code>&#xFF0C;&#x8FD4;&#x56DE;<code>map</code>&#x62E5;&#x6709;&#x7684;<code>key</code>&#x7684;&#x6570;&#x91CF;</li>
<li><code>map</code>&#x7684;&#x503C;&#x53EF;&#x4EE5;&#x5F88;&#x65B9;&#x4FBF;&#x7684;&#x4FEE;&#x6539;&#xFF0C;&#x901A;&#x8FC7;<code>numbers[&quot;one&quot;]=11</code>&#x53EF;&#x4EE5;&#x5F88;&#x5BB9;&#x6613;&#x7684;&#x628A;key&#x4E3A;<code>one</code>&#x7684;&#x5B57;&#x5178;&#x503C;&#x6539;&#x4E3A;<code>11</code></li>
<li><code>map</code>&#x548C;&#x5176;&#x4ED6;&#x57FA;&#x672C;&#x578B;&#x522B;&#x4E0D;&#x540C;&#xFF0C;&#x5B83;&#x4E0D;&#x662F;thread-safe&#xFF0C;&#x5728;&#x591A;&#x4E2A;go-routine&#x5B58;&#x53D6;&#x65F6;&#xFF0C;&#x5FC5;&#x987B;&#x4F7F;&#x7528;mutex lock&#x673A;&#x5236;</li>
</ul>
<p><code>map</code>&#x7684;&#x521D;&#x59CB;&#x5316;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;<code>key:val</code>&#x7684;&#x65B9;&#x5F0F;&#x521D;&#x59CB;&#x5316;&#x503C;&#xFF0C;&#x540C;&#x65F6;<code>map</code>&#x5185;&#x7F6E;&#x6709;&#x5224;&#x65AD;&#x662F;&#x5426;&#x5B58;&#x5728;<code>key</code>&#x7684;&#x65B9;&#x5F0F;</p>
<p>&#x901A;&#x8FC7;<code>delete</code>&#x5220;&#x9664;<code>map</code>&#x7684;&#x5143;&#x7D20;&#xFF1A;</p>
<pre><code class="lang-Go">
<span class="hljs-comment">// &#x521D;&#x59CB;&#x5316;&#x4E00;&#x4E2A;&#x5B57;&#x5178;</span>
rating := <span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">float32</span>{<span class="hljs-string">&quot;C&quot;</span>:<span class="hljs-number">5</span>, <span class="hljs-string">&quot;Go&quot;</span>:<span class="hljs-number">4.5</span>, <span class="hljs-string">&quot;Python&quot;</span>:<span class="hljs-number">4.5</span>, <span class="hljs-string">&quot;C++&quot;</span>:<span class="hljs-number">2</span> }
<span class="hljs-comment">// map&#x6709;&#x4E24;&#x4E2A;&#x8FD4;&#x56DE;&#x503C;&#xFF0C;&#x7B2C;&#x4E8C;&#x4E2A;&#x8FD4;&#x56DE;&#x503C;&#xFF0C;&#x5982;&#x679C;&#x4E0D;&#x5B58;&#x5728;key&#xFF0C;&#x90A3;&#x4E48;ok&#x4E3A;false&#xFF0C;&#x5982;&#x679C;&#x5B58;&#x5728;ok&#x4E3A;true</span>
csharpRating, ok := rating[<span class="hljs-string">&quot;C#&quot;</span>]
<span class="hljs-keyword">if</span> ok {
    fmt.Println(<span class="hljs-string">&quot;C# is in the map and its rating is &quot;</span>, csharpRating)
} <span class="hljs-keyword">else</span> {
    fmt.Println(<span class="hljs-string">&quot;We have no rating associated with C# in the map&quot;</span>)
}

<span class="hljs-built_in">delete</span>(rating, <span class="hljs-string">&quot;C&quot;</span>)  <span class="hljs-comment">// &#x5220;&#x9664;key&#x4E3A;C&#x7684;&#x5143;&#x7D20;</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x8BF4;&#x8FC7;&#x4E86;&#xFF0C;<code>map</code>&#x4E5F;&#x662F;&#x4E00;&#x79CD;&#x5F15;&#x7528;&#x7C7B;&#x578B;&#xFF0C;&#x5982;&#x679C;&#x4E24;&#x4E2A;<code>map</code>&#x540C;&#x65F6;&#x6307;&#x5411;&#x4E00;&#x4E2A;&#x5E95;&#x5C42;&#xFF0C;&#x90A3;&#x4E48;&#x4E00;&#x4E2A;&#x6539;&#x53D8;&#xFF0C;&#x53E6;&#x4E00;&#x4E2A;&#x4E5F;&#x76F8;&#x5E94;&#x7684;&#x6539;&#x53D8;&#xFF1A;</p>
<pre><code class="lang-Go">
m := <span class="hljs-built_in">make</span>(<span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">string</span>)
m[<span class="hljs-string">&quot;Hello&quot;</span>] = <span class="hljs-string">&quot;Bonjour&quot;</span>
m1 := m
m1[<span class="hljs-string">&quot;Hello&quot;</span>] = <span class="hljs-string">&quot;Salut&quot;</span>  <span class="hljs-comment">// &#x73B0;&#x5728;m[&quot;hello&quot;]&#x7684;&#x503C;&#x5DF2;&#x7ECF;&#x662F;Salut&#x4E86;</span>
</code></pre>
<h3 id="make&#x3001;new&#x64CD;&#x4F5C;">make&#x3001;new&#x64CD;&#x4F5C;</h3>
<p><code>make</code>&#x7528;&#x4E8E;&#x5185;&#x5EFA;&#x7C7B;&#x578B;&#xFF08;<code>map</code>&#x3001;<code>slice</code> &#x548C;<code>channel</code>&#xFF09;&#x7684;&#x5185;&#x5B58;&#x5206;&#x914D;&#x3002;<code>new</code>&#x7528;&#x4E8E;&#x5404;&#x79CD;&#x7C7B;&#x578B;&#x7684;&#x5185;&#x5B58;&#x5206;&#x914D;&#x3002;</p>
<p>&#x5185;&#x5EFA;&#x51FD;&#x6570;<code>new</code>&#x672C;&#x8D28;&#x4E0A;&#x8BF4;&#x8DDF;&#x5176;&#x5B83;&#x8BED;&#x8A00;&#x4E2D;&#x7684;&#x540C;&#x540D;&#x51FD;&#x6570;&#x529F;&#x80FD;&#x4E00;&#x6837;&#xFF1A;<code>new(T)</code>&#x5206;&#x914D;&#x4E86;&#x96F6;&#x503C;&#x586B;&#x5145;&#x7684;<code>T</code>&#x7C7B;&#x578B;&#x7684;&#x5185;&#x5B58;&#x7A7A;&#x95F4;&#xFF0C;&#x5E76;&#x4E14;&#x8FD4;&#x56DE;&#x5176;&#x5730;&#x5740;&#xFF0C;&#x5373;&#x4E00;&#x4E2A;<code>*T</code>&#x7C7B;&#x578B;&#x7684;&#x503C;&#x3002;&#x7528;Go&#x7684;&#x672F;&#x8BED;&#x8BF4;&#xFF0C;&#x5B83;&#x8FD4;&#x56DE;&#x4E86;&#x4E00;&#x4E2A;&#x6307;&#x9488;&#xFF0C;&#x6307;&#x5411;&#x65B0;&#x5206;&#x914D;&#x7684;&#x7C7B;&#x578B;<code>T</code>&#x7684;&#x96F6;&#x503C;&#x3002;&#x6709;&#x4E00;&#x70B9;&#x975E;&#x5E38;&#x91CD;&#x8981;&#xFF1A;</p>
<blockquote>
<p><code>new</code>&#x8FD4;&#x56DE;&#x6307;&#x9488;&#x3002;</p>
</blockquote>
<p>&#x5185;&#x5EFA;&#x51FD;&#x6570;<code>make(T, args)</code>&#x4E0E;<code>new(T)</code>&#x6709;&#x7740;&#x4E0D;&#x540C;&#x7684;&#x529F;&#x80FD;&#xFF0C;make&#x53EA;&#x80FD;&#x521B;&#x5EFA;<code>slice</code>&#x3001;<code>map</code>&#x548C;<code>channel</code>&#xFF0C;&#x5E76;&#x4E14;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x6709;&#x521D;&#x59CB;&#x503C;(&#x975E;&#x96F6;)&#x7684;<code>T</code>&#x7C7B;&#x578B;&#xFF0C;&#x800C;&#x4E0D;&#x662F;<code>*T</code>&#x3002;&#x672C;&#x8D28;&#x6765;&#x8BB2;&#xFF0C;&#x5BFC;&#x81F4;&#x8FD9;&#x4E09;&#x4E2A;&#x7C7B;&#x578B;&#x6709;&#x6240;&#x4E0D;&#x540C;&#x7684;&#x539F;&#x56E0;&#x662F;&#x6307;&#x5411;&#x6570;&#x636E;&#x7ED3;&#x6784;&#x7684;&#x5F15;&#x7528;&#x5728;&#x4F7F;&#x7528;&#x524D;&#x5FC5;&#x987B;&#x88AB;&#x521D;&#x59CB;&#x5316;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x4E00;&#x4E2A;<code>slice</code>&#xFF0C;&#x662F;&#x4E00;&#x4E2A;&#x5305;&#x542B;&#x6307;&#x5411;&#x6570;&#x636E;&#xFF08;&#x5185;&#x90E8;<code>array</code>&#xFF09;&#x7684;&#x6307;&#x9488;&#x3001;&#x957F;&#x5EA6;&#x548C;&#x5BB9;&#x91CF;&#x7684;&#x4E09;&#x9879;&#x63CF;&#x8FF0;&#x7B26;&#xFF1B;&#x5728;&#x8FD9;&#x4E9B;&#x9879;&#x76EE;&#x88AB;&#x521D;&#x59CB;&#x5316;&#x4E4B;&#x524D;&#xFF0C;<code>slice</code>&#x4E3A;<code>nil</code>&#x3002;&#x5BF9;&#x4E8E;<code>slice</code>&#x3001;<code>map</code>&#x548C;<code>channel</code>&#x6765;&#x8BF4;&#xFF0C;<code>make</code>&#x521D;&#x59CB;&#x5316;&#x4E86;&#x5185;&#x90E8;&#x7684;&#x6570;&#x636E;&#x7ED3;&#x6784;&#xFF0C;&#x586B;&#x5145;&#x9002;&#x5F53;&#x7684;&#x503C;&#x3002;</p>
<blockquote>
<p><code>make</code>&#x8FD4;&#x56DE;&#x521D;&#x59CB;&#x5316;&#x540E;&#x7684;&#xFF08;&#x975E;&#x96F6;&#xFF09;&#x503C;&#x3002;</p>
</blockquote>
<p>&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;&#x56FE;&#x8BE6;&#x7EC6;&#x7684;&#x89E3;&#x91CA;&#x4E86;<code>new</code>&#x548C;<code>make</code>&#x4E4B;&#x95F4;&#x7684;&#x533A;&#x522B;&#x3002;</p>
<p><img src="images/2.2.makenew.png?raw=true" alt=""></p>
<p>&#x56FE;2.5 make&#x548C;new&#x5BF9;&#x5E94;&#x5E95;&#x5C42;&#x7684;&#x5185;&#x5B58;&#x5206;&#x914D;</p>
<h2 id="&#x96F6;&#x503C;">&#x96F6;&#x503C;</h2>
<p>&#x5173;&#x4E8E;&#x201C;&#x96F6;&#x503C;&#x201D;&#xFF0C;&#x6240;&#x6307;&#x5E76;&#x975E;&#x662F;&#x7A7A;&#x503C;&#xFF0C;&#x800C;&#x662F;&#x4E00;&#x79CD;&#x201C;&#x53D8;&#x91CF;&#x672A;&#x586B;&#x5145;&#x524D;&#x201D;&#x7684;&#x9ED8;&#x8BA4;&#x503C;&#xFF0C;&#x901A;&#x5E38;&#x4E3A;0&#x3002;
&#x6B64;&#x5904;&#x7F57;&#x5217; &#x90E8;&#x5206;&#x7C7B;&#x578B; &#x7684; &#x201C;&#x96F6;&#x503C;&#x201D;</p>
<pre><code class="lang-Go">
<span class="hljs-keyword">int</span>     <span class="hljs-number">0</span>
<span class="hljs-keyword">int8</span>    <span class="hljs-number">0</span>
<span class="hljs-keyword">int32</span>   <span class="hljs-number">0</span>
<span class="hljs-keyword">int64</span>   <span class="hljs-number">0</span>
<span class="hljs-keyword">uint</span>    <span class="hljs-number">0x0</span>
<span class="hljs-keyword">rune</span>    <span class="hljs-number">0</span> <span class="hljs-comment">//rune&#x7684;&#x5B9E;&#x9645;&#x7C7B;&#x578B;&#x662F; int32</span>
<span class="hljs-keyword">byte</span>    <span class="hljs-number">0x0</span> <span class="hljs-comment">// byte&#x7684;&#x5B9E;&#x9645;&#x7C7B;&#x578B;&#x662F; uint8</span>
<span class="hljs-keyword">float32</span> <span class="hljs-number">0</span> <span class="hljs-comment">//&#x957F;&#x5EA6;&#x4E3A; 4 byte</span>
<span class="hljs-keyword">float64</span> <span class="hljs-number">0</span> <span class="hljs-comment">//&#x957F;&#x5EA6;&#x4E3A; 8 byte</span>
<span class="hljs-keyword">bool</span>    <span class="hljs-literal">false</span>
<span class="hljs-keyword">string</span>  <span class="hljs-string">&quot;&quot;</span>
</code></pre>
<h2 id="links">links</h2>
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<li><a href="preface.md">&#x76EE;&#x5F55;</a></li>
<li>&#x4E0A;&#x4E00;&#x7AE0;: <a href="02.1.html">&#x4F60;&#x597D;,Go</a></li>
<li>&#x4E0B;&#x4E00;&#x8282;: <a href="02.3.html">&#x6D41;&#x7A0B;&#x548C;&#x51FD;&#x6570;</a></li>
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